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Newest Trigonometry Questions

1. given that cos thiter = negative 3 /5,where 3.14 is less or equal to 3x3.14/2, find1. sin thiter 2.tn thiter
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2. QUESTION 44.1 Simplify, without using a calculator: 4.1.1 𝑠𝑖𝑛 (−135°)·𝑠𝑖𝑛 240°·𝑐𝑜𝑠
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3. for which value of 0 is tan 0 equal to sin 0?pi/2 2pi pi/3 3pi/2
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4. for which value of 0 is tan 0 equal to sin 0?pi/2 2/pi pi/3 3pi/2
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5. how to get the answers:which represents the reference angle for 3pi/4 The answer is pi/4 4. Neela’s clock is broken. The
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6. which represents the reference angle for 3pi/4The answer is pi/4 4. Neela’s clock is broken. The minute hand rotates around
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7. Write cos(237) as positive or negative sine , cosine or tangent of an acute angle
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   2. asked by Joseph Kulame
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8. Write sin(342) as positive or negative sine , cosine, or tangent of an acute angle
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   2. asked by Joseph Kulame
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9. A man stands on his balcony, 130 feet above the ground. He looks at the ground, with his sight line forming an angle of 70°
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   2. asked by Multiple Choice
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10. Which of the following are true? Select all that apply.A. tan(theta)= cos(theta)/sin(theta) B. cot(theta)= cos(theta)/sin(theta)
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11. Find the exact value of csc theta if cot theta = -2 and the terminal side of theta lies in quadrant II.
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    2. asked by No
    3. 51 views
12. 1.Verify the basic identity. What is the domain of validity? Cot θ = cos θ csc θ 2. Verify the identity. Justify each step.
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13. Theta and alpha are each acute angles in standard position.Sin theta =3/5 and cos alpha=12/13 determine cos(alpha+theta)
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14. Find the exact values of cos 210° and sin 210°○ cos sin #129 O cos; sin 一隻 ○ cos sin=- ○ cos = 1; sin = √ 2
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    2. asked by Unknown
    3. 47 views
15. Theta and alpha are each acute angles in standard position. Sin theta=3/5 and cos alpha=12/13. Determine cos(alpha+theta)
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16. Use the Pythagorean Identity first and then the Tangent Identity to find tanθ if cosθ=-1/2 and θ terminates in Quadrant II.
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17. express the given product as a sum or difference containing only sines or cosines. sin(6x)cos(4x)
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    2. 62 views
18. A telephone pole is supported by two wires on opposite sides. At the top of the pole, the wires form an angle of 60°. On the
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    2. asked by Hayoon
    3. 79 views
19. Use the Pythagorean Identity and Tangent Identity to find tanθ if sinθ=-1 and 0≤θ<2π radians. (3 points)HINT: Find all
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20. Question Using the function f(x)=3sin12θ A) What are the period and amplitude of the function? (2 points) B) Rewrite the
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21. A) The period of a sin function is calculated by T = 2π/b, where b is the coefficient of θ in the function. In this case, b =
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22. If sin theta = 1/2, which could NOT be the value of theta? A. 30 B. 210 C. 150 D. 390
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23. ​6. Find the exact value of each of the following using the special triangles, the unit circle, or both. In each case, state
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24. Find cos 0 and sin 0 , given tan 0 = 2/7 and cos 0<0
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25. Find sin 0 and tan , given cos 0 = - 5/6 and sin 0>0
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26. Find cos 0 and sin 0, given tan 0 = 2/7 and cos 0 < 0.
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27. Find sin 0 and tan 0, given cos 0 = - 5/6 and sin 0 > 0
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28. A man at A observes the angle of elevation of a balloon to be 30 degrees.He then walks 1000 meters towards the balloon to a
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    2. asked by Joseph Kulame
    3. 68 views
29. Enter your answer and show all the steps that you use to solve this problem in the space provided.Verify the identity. Justify
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    2. 61 views
30. Given tan 𝜃 = −2/3 in QIV, find cos 𝜃 and csc 𝜃 ? Provide a sketch and calculations to support your answer. Write the
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31. Evaluate each expression using the unit circle. Find the exact value. Show all work.Write the ratio in reduced fractional form
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32. Acute angle W has sin W and sec W= sqrt/9. Which are values of csc W and cos W?a) csc W =9/2 and cos W = 9/sqrt 85 b) csc W =
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    2. 99 views
33. Acute angle W has sin W and sec W= sqrt/9. Which are values of csc W and cos W?
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34. A right triangle has acute angles C and D. If cot C= 8/15 and cos D = 15/17, what are tan D and sin C?
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35. Acute angle W has sin W = 1/2 and sec W=2/sqrt 3. Which are values of csc W and cos W?
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36. Show that sin(x+pi)=-sinx Show all of your work
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37. The angles of elevation to an airplane from two points A and B on level ground are 54° and 72°, respectively. The points A and
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38. A helicopter hovers 1250 feet above a small island. The figure shows that the angle of depression from the helicopter to point P
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39. The _____ side length is next to theta.A. adjacent B. opposite C. hypotenuse
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40. 1. For what values is the following equation true? sin(x+20)=cos(y−10)A. X=30 and y=60 B. X=30 and y=40 C. X=20 and y=50 D.
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    2. asked by goku
    3. 78 views
41. 1. For what values is the following equation true? sin(x+20)=cos(y−10)A. X=30 and y=60 B. X=30 and y=40 C. X=20 and y=50 D.
    1. 1 answer
    2. asked by goku
    3. 68 views
42. Find the period (in radians), the phase shift (in radians) and the vertical shift of the graph of the function below.y=3 sec
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43. Reduce cos 1102∘to the sine of an acute angle sin ....∘
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44. Sin 2x / 2 sin x + cos2 x -1=1 + sign x / cosx
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45. A viewer is looking up at a 70° angle to watch a plane fly towards an airport terminal. His distance from the plane is 2000m.
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    2. asked by Imasheep
    3. 84 views
46. Express the following in terms of the cosine of another angle between 0 degree and 180Degree
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47. Find csc theta and cot theta if than theta = -4/3 and sin theta > 0
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    2. asked by Mita
    3. 49 views
48. side AC= 16c=30 degrees b=90 degrees a=60 degrees Solve for BA rounded to the nearest tenth = Solve for BC rounded to the
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49. A helicopter hovers 650 feet above a small island. The figure shows that the angle of depression from the helicopter to point P
    1. 1 answer
    2. 69 views
50. The angle of elevation from Mindy to a cell phone tower is 75 degrees. If Mindy is standing 28 feet from the base of the tower,
    1. 1 answer
    2. asked by B
    3. 150 views