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Yahoo!
 3 years ago
Find the Period of \[2 cos^3 x + 5cos4x\]
Yahoo!
 3 years ago
Find the Period of \[2 cos^3 x + 5cos4x\]

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Ishaan94
 3 years ago
Best ResponseYou've already chosen the best response.2\(\cos^3x\)'s period is \(2\pi\) and \(\cos 4x\)'s period is \(\pi/2\). The period for the given equations should be \(2\pi\).

Yahoo!
 3 years ago
Best ResponseYou've already chosen the best response.0lol....u seems to find the answer easily

Yahoo!
 3 years ago
Best ResponseYou've already chosen the best response.0in my...book the soln is given half a page

Yahoo!
 3 years ago
Best ResponseYou've already chosen the best response.0@Ishaan94 hw cos^3 x period is 2 pie

Ishaan94
 3 years ago
Best ResponseYou've already chosen the best response.2Try plotting \(\cos^3x\). You will see it yourself or you can prove it as well.

Ishaan94
 3 years ago
Best ResponseYou've already chosen the best response.2idk. but you it's pretty basic you can learn it even class 10th.
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