SOLUTION: what is the amplitude and period of y=2/3cos(pi/10))

SOLUTION: what is the amplitude and period of y=2/3cos(pi/10))

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Question 607443: what is the amplitude and period of y=2/3cos(pi/10))
Answer by lawdej(58) (Show Source): You can put this solution on YOUR website!
for your question no answer but
for y=a cos(kx),period=2pi/k ,amplitude=a
example y=2/3cos(pi/10 x)
amplitude=2/3
period=20
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