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 cos problem

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HI

 

what is the answer of

 

5-5cos(x)^2?

 Oct 1, 2015

1+0 Answers

 #1
avatar+130560 
+5

5-5cos(x)^2  =

 

5[1 - cos^2(x)]  =

 

5sin^2(x)

 

 

 

cool cool cool

 Oct 1, 2015

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