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

Algebra ->  Trigonometry-basics -> SOLUTION: what is the amplitude and period of y=2/3cos(pi/10))      Log On


   

Question 607443: what is the amplitude and period of y=2/3cos(pi/10))
Answer by lawdej(58) About Me  (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