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Newest Trigonometry Questions
Which of the following expressions has the same value as \cos 30^(\circ)?
A. \sin 30^(\circ) B. \cos (\pi)/(6) C. \sin (\pi)/(6)
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Which of the following expressions has the same value as cos 30° ? (1 point) sin 30° cos 60° cos π /6 sin π /6
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Convert 72 degrees to radians
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Complete the equivalence statement below. Enter a degree value for the first response and enter an exact value in simplest form
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Complete the equivalence statement below.
For the first response, enter a degree value. For the second response, enter an exact
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Given that cos θ =0 , find the coordinates of the point where the terminal side of θ intersects the unit circle, if θ is a
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What is the value of cos θ if the terminal side of θ and the unit circle intersect at point ( 1/sqrt(2) ,- 1/sqrt(2) ). (1
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When finding cos θ = sqrt(3)/2 on a unit circle, what type of special right triangle or a ray is used? (1 point) a horizontal
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Cosine is established as a rotation of a ray formed initially on which axis?
A. the positive y-axis B. the positive x-axis C. the
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90°-X is on which quadrant
X+360° is on which quadrant
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What is the x-value at 60° ? Write as an exact value (no decimals).(1 point)
3 answers
asked by
sayletyler
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What is the y-value at 330°? Write as an exact value (no decimal).(1 point)
5 answers
asked by
sayletyler
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What is the x-value at 150° ? Write as an exact value (no decimal).(1 point)
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asked by
sayletyler
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Which of the following is not a value of θ when sin θ=−1 ?(1 point) Responses 3π2 Start Fraction 3 pi over 2 End Fraction
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Find the value of sin(π3) (1 point) Responses 1 1 0 0 3√2 Start Fraction 5 over 2 End Fraction 12 Start Fraction 5 Start Root
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Question What are the cosine and sine of 30° ?(1 point) sin30°= and cos30°=
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se >,<, or= to compare the following trigonometric expressions.(1 point) sin 45°cos(π6)
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hich of the following expressions has the same value as cos30° ?(1 point) Responses cosπ6 cosine pi over 6 sin30° sine 30
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Which of the following is equivalent to sin2π15 ?(1 point) Responses sin12° sine 12 degrees cos24° cosine 24 degrees sin24°
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Convert 7π2 radians to degrees.(1 point) Responses 520 degrees 520 degrees 630 degrees 630 degrees 720 degrees 720 degrees 645
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Complete the equivalence statement below. Enter a degree value for the first response and enter an exact value in simplest form
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Complete the equivalence statement below. For the first response enter a degree value. For the second response enter an exact
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Convert 3π4 radians to degrees.(1 point) 3π4 radians= degrees
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Given that cosθ=0 , find the coordinates of the point where the terminal side of θ intersects the unit circle, if θ is a
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hat is the value of cosθ if the terminal side of θ and the unit circle intersect at point (12√,−12√) .(1 point)
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When finding cosθ=3√2 on a unit circle, what type of special right triangle or a ray is used?(1 point) Responses a horizontal
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The Cosine Function Quick Check 1 of 51 of 5 Items Question Cosine is established as a rotation of a ray formed initially on
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ind the coordinates of the point shown on the unit circle, if cosθ=−12 .(1 point)
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Find cosθ if the y-coordinate of the point where the terminal side of θ intersects the unit circle is 2√2 , given that θ is
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If the cosine of an angle θ is 12 , what is θ ? You may assume that 0°≤θ≤180° .
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A point on the unit circle is (12,3√2) . What is the sine of the angle formed by a terminal ray that intersects the unit
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What is the value of sine of θ when θ=90° ?(1 point) Responses 0 0 -1 -1 12 1 half 1
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Use the special triangles on the unit circle to determine θ in degrees when sinθ=3√2 . (1 point) Responses 30° 30° 90°
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Using the figure, establish the value of the function y=sinθ when θ=π3 . (1 point) Responses 12 Start Fraction 1 over 2 End
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what is the value of sine of 0 when 0=90
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A point on the unit circle is \left((1)/(2), (√(3))/(2)\right). What is the sine of the angle formed by a terminal ray that
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What is the x-value at 150°
150
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Evaluate the function without using a calculator cos 315^•
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Sketch the angle then find its reference angle 315^•
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Evaluate the six trigonometric functions of 0.
0=90 degrees
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Sketch the angle then find its reference angle
2pie over 3
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Let (-4,-5) be a point on the terminal side of an angle in standard position. Evaluate the six trigonometric functions of 0
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19 views
Find θ in the given right angle where opposite side is 6 and hypotenuse is 10
round your answer to 2 decimal places θ = _____
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What is the amplitude of y = sin x?
Explain how you know
1 answer
asked by
1135500
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What is the range of y = sin x?
Explain how you know
1 answer
asked by
1135500
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From a window in the building, an observer notes that the angle of elevation to the top of the tower is 35° and that the angle
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x: -pi/4 pi/4 3pi/4 5pi/4 7pi/2
F(x): 0 1 0 -1 0 The table lists values of a sine function at intervals of π/2. Given the
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x: -pi/4 pi/4 3pi/4 5pi/4 7pi/2
F(x): 0 1 0 -1 0 These are the values of a sine function at intervals on pi/2. Identify the
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The graph of f(x)=sin(x+c) is shifted π/3 units left when compared to the graph of g(x)=sin(x). What is the value of c?
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Which of the following correctly describes the phase shift of the function f(x)=2 sin(x+π/6)?
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Find the period and write the equation of the sine function that has a maximum at (π/14,1) and a minimum at (3π/14,-1).
period
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Determine the equation for a sine function that has a horizontal compression by a factor of 3 and a reflection across the
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What is the amplitude of j(x)=-2/7 cosx ? Enter your answer in simplest fraction form, if applicable.
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Complete the table of values that can be used to graph f(x)=7/3 sinx.
X: 0 pi/2 pi 3pi/2 2pi F(x) = 7/3sin x:
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Complete the table of values that can be used to graph f(x)=7/3 sinx.
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Evaluate the function f(x)=cos(-x) at x=4π/3.
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Evaluate the function f(x)=-cos(x) at x=π/2. Enter your answer in decimal form, if applicable.
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Use the table to answer the question.
𝜃 𝑓(𝜃) 0 2 0 −2 0 2 Determine the missing inputs in your table of values for the
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Consider a right triangle where the measure of one of the acute angles is
a ° . If s i n ( a ° ) = x , then the
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8 views
What is θ
𝜃 when cosθ=1 cos 𝜃 = 1 ? You may assume 0°≤θ≤180° 0 ° ≤ θ ≤ 180 ° .(1 point) Responses 0° 0
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30 views
What is sin30°
sin 30 ° ? (1 point) Responses 12 1 2 1 half - no response given 1 1 - no response given 2√2 2 2 the
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A plane is descending at a 12°
angle of depression. If the current altitude of the plane is 1,000 feet, find the distance the
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A radio tower is 200 feet tall. How far is an observer from the base of the tower if the angle of their line of sight from the
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In 1–2 sentences, describe why there is always a positive and negative solution when solving using the Pythagorean Identity.
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In 1–2 sentences, describe how to determine the sign for tanθ in each quadrant of the coordinate plane.
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Show that the sine or cosine value of an angle measuring 48° is equivalent to the sine or cosine value of that same angle
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Rewrite the cosine function f(x) = cos(1/3x - pi/6) as a translated sine function
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x: 0 pi/2 pi 3pi/2 2pi
y: 0 -1 -2 -1 0 What is the midline, minimum and maximum
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x: -pi/4, pi/4, 3pi/4 5pi/4 7pi/4
f(x): 0, 1, 0, -1, 0 What is the function based on the table at intervals of pi/2
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x: -pi/4, pi/4, 3pi/4 5pi/4 7pi/4
f(x): 0, 1, 0, -1, 0 What is the function based on the table
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What is the phase shift of the function f(x) = 2sin(x+pi/6)
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Find the period for a sine function that has a maximum at (pi/14,1) and a minimum at (3pi/14,-1) And write the equation: f(x) =
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A ray on the positive x-axis is rotated −450°
. What is the cosine of the angle formed by this rotation?
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Find the period for a sine function that has a maximum at (pi/14,1) and a minimum at (3pi/14,-1) And write the equation
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Find the period for a sine function that has a maximum at (pi/14,1) and a minimum at (3pi/14,-1)
1 answer
22 views
What is the equation for a sine function that has a horizontal compression by a factor or]f 3 and a reflection across the x axis
1 answer
23 views
X: 0, pi/12, pi/6 pi/4, pi/3
f(x) = cos(6x) find the values
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What is the amplitude of j(x) = - 2/7 cosx
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X: 0, pi/2, pi, 3pi/2, 2pi
f(x) = 7/3 sinx find the values
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Evaluate the function f(x) = -cos(x) when x = 4pi/3
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Evaluate the function f(x) = -cos(x) when x = pi/2
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Rewrite the sine function f(x) = -2sin(4x - pi) + 3 as a cosine function
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Convert -Π/4 to degree measure
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Convert 5Π/7 to degree measure
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Convert 330-degree measure to radian measure. Type answer as an integer or decimal. Do not round until the final answer. Then
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Convert 330 degree measure to radian measure
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Convert 135 degree measure to radian measure
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Convert a 150 degree measure to a radian measure
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A blimp hovers 400 feet above a stadium. A fan is standing outside the stadium. To directly view the blimp, the fan looks up at
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21 views
Given the information:
Amplitude = 12 Period = 6/7 C = no phase shift Midline = 12 Write a sine function
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Given the amplitude is 12, the revolutions are 70 per minute and the midline is 12, write a sine or cosine function
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Cheryl attaches a heart on the middle of her bike tire. The heart will go from the midline up and then down. Is a sine or cosine
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Write a sine or cosine function for 70 revolutions per minute and an amplitude of 12
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Write a sine or cosine function for a diameter of 24 inches and 70 revolutions per minute.
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Cheryl is going to take a 50 mile bike ride. For good luck, she attaches a heart charm in the middle of the front tire. The tire
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Tom’s friend is about to embark on a 50 mile bike ride. Tom attaches a small charm on the bike wheel for good luck. The charm
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Cheryl’s cousin is about to embark on a 50 mile bike ride. For good luck, she places a heart on the bike tire. The diameter of
1 answer
23 views
Rewrite the cosine function f(x) = cos(1/3x-pi/6) as a translated sine function.
A. f(x) = sin(1/3x + pi/3) B. f(x) =
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26 views
Use the table: x: 0, pi/2, pi, 3pi/2, 2pi
F(x) 1, 0 ,-1, 0 ,1 The values of the sine function at intervals of pi/2 have been
1 answer
25 views
find the terminal point determined by t = (21pi)/4
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asked by
if i dont get elected its gonna be a bloodbath
16 views
Parent Category
Mathematics