SOLUTION: Simplify 4sin^2x + 4cos^2x

SOLUTION: Simplify 4sin^2x + 4cos^2x

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Question 604751: Simplify 4sin^2x + 4cos^2x
Answer by alicealc(293) (Show Source): You can put this solution on YOUR website!
use the identity formula:

so,

=
=4*1 = 4

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