# trig

Determine the period, amplitude and phase shift for each given function:

A)y = -4 cos 3x + 5

B)y = 2/3 sin (30x-90degrees)-10

c)y = -0.38 tan (x/3+pi/3)

d)y = pi cos(2x)+ pi

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2. 👎 0
3. 👁 279

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