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 Cos^2(0) = ?

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Cos^2(0) = ?

 Nov 6, 2014

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 #1
avatar+130466 
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cos(0) = 1

So

[cos(0)]^2  = [cos(0)] * [cos(0)] = 1 * 1 = 1  ....!!!

 

 Nov 6, 2014

1+0 Answers

 #1
avatar+130466 
+5
Best Answer

cos(0) = 1

So

[cos(0)]^2  = [cos(0)] * [cos(0)] = 1 * 1 = 1  ....!!!

 

CPhill Nov 6, 2014

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