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

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Question 604751: Simplify 4sin^2x + 4cos^2x
Answer by alicealc(293) About Me  (Show Source):
You can put this solution on YOUR website!
use the identity formula:
sin%5E2%28x%29+%2B+cos%5E2%28x%29=1
so,
4%2Asin%5E2%28x%29+%2B+4%2Acos%5E2%28x%29
=4%2A%28sin%5E2%28x%29+%2B+cos%5E2%28x%29%29
=4*1 = 4