A sound wave is modeled with the equation y =1/4 cos 2pi/3 theta

a. Find the period. Explain your method.

b. Find the amplitude. Explain your method

Question

A sound wave is modeled with the equation y =1/4 cos 2pi/3 theta

a. Find the period. Explain your method.

b. Find the amplitude. Explain your method

phebe · Answer

B XD

anonymous · Answer

$$y = \frac{ 1 }{ 4 } \cos 2\pi/3$$

anonymous · Answer

there's supposed to be a theta at the end don't know why it didn't show

anonymous · Answer

can you help me answer this?

phebe · Answer

idk im not sure hold on

phebe · Answer

nm sorry @mathmale help him or her

anonymous · Answer

ok, I looked at some different answers to the same question and didn't really get how they got the answer. http://openstudy.com/updates/519e5489e4b04449b22151a5

phebe · Answer

opk hold on

anonymous · Answer

you know what I actually think I figured it out myself, thank you anyways!