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4 votes
Need help please !!!

Need help please !!!-example-1

1 Answer

5 votes

Answer:

option C is the correct answer

Explanation:

The trigonometric equation you are using has a general form

y = A* tan w*(x - r)

Where

A is the amplitude of the function

w is the frequency rad/s

r is the phase shift

In your case

A = -2

The frequency is

w = (2*pi)/period

period = pi/4

w = 8

r = -pi/2

y = -2* cos 8*(x + pi/2)

User Adam Wojda
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