anonymous
  • anonymous
Find the Period of \[2 cos^3 x + 5cos4x\]
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
\(\cos^3x\)'s period is \(2\pi\) and \(\cos 4x\)'s period is \(\pi/2\). The period for the given equations should be \(2\pi\).
anonymous
  • anonymous
equation*
anonymous
  • anonymous
lol....u seems to find the answer easily

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anonymous
  • anonymous
any trick behind that
anonymous
  • anonymous
Practice. :-)
anonymous
  • anonymous
in my...book the soln is given half a page
anonymous
  • anonymous
@Ishaan94 hw cos^3 x period is 2 pie
anonymous
  • anonymous
Try plotting \(\cos^3x\). You will see it yourself or you can prove it as well.
anonymous
  • anonymous
Is this +2 's topic
anonymous
  • anonymous
idk. but you it's pretty basic you can learn it even class 10th.
anonymous
  • anonymous
you know* ...
anonymous
  • anonymous
lol...not in 10 th....
anonymous
  • anonymous
yes. you can. :-)
anonymous
  • anonymous
thxxxx

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