Find the period P, amplitude A, and phase shift S, and graph at least two periods of the equation.y = 5 cos (x - 15°) 

A. P = 360°, A = 5, S = -15°

 

B. P = 72°, A = 1, S = 15°

 

C. P = 72°, A = 1, S = -15°

 

D. P = 360°, A = 5, S = 15°

 

E. P = 360°, A = 5, S = -15°

 


Answer: A

Mathematics

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