Asked by weryiyemi

find the period cos(theta/4)

step plz

8 years ago

Answered by Steve

recall that the period of

cos(kx) is 2π/k

8 years ago

Answered by weryiyemi

sir honestly i dont know plz teach me

8 years ago

Answered by Damon

when theta/4 = 2 pi you have gone once around the circle
theta/4 = 2 pi
theta = 8 pi

8 years ago

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