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the inverse cosine of negative

Write the equation of the periodic function based on the graph. (1 point) Responses y=4cosx y equals 4 cosine x y=−4cosx y
1. 1 answer
2. 44 views
How come cosine of 225 degrees is a positive number i thought it was negative because it's reference angle would be 45 degrees
1. 6 answers
2. asked by Trig
3. 720 views
Which of the following options correctly writes an equation for a cosine function, based on the given graph? (1 point) Responses
1. 1 answer
2. 85 views
The Cosine Function Quick Check 1 of 51 of 5 Items Question Cosine is established as a rotation of a ray formed initially on
1. 1 answer
2. 13 views
the inverse cosine of negative 0.947Put it in your calculator... The sequence of keys in my old ten dollar calculator is .947 +-
1. 0 answers
2. asked by latoya
3. 1,289 views
Identify the equation for the following graph: (1 point) Responses y=2cos(2x) y is equal to 2 cosine 2 x y=−2cos(2x) y is
1. 1 answer
2. 93 views
Write the equation of the periodic function based on the graph.(1 point) Responses y=−4cosx y equals negative 4 cosine x
1. 1 answer
2. 101 views
Write an inverse variation equation, yequalsStartFraction k Over x EndFraction, that satisfies the ordered pairs in the
1. 9 answers
2. 44 views
Use the inverse cosine to find the missing angle θ𝜃 . (1 point) Responses 36.87° 36.87° 53.13° 53.13° 30° 30° 38.66°
1. 1 answer
2. 33 views
Use the inverse of cosine to calculate the approximate interior angle measure at vertex B. (1 point) Responses 34° 34° 28°
1. 1 answer
2. asked by Alex
3. 18 views