SOLUTION: prove: 2-cos^2x = 1+sin^2x

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Question 455707: prove:
2-cos^2x = 1+sin^2x
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
prove:
2-cos^2x = 1+sin^2x
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Add cos^2 to both sides
Subtract 1 from both sides:
sin^2 + cos^2 = 1
1 = 1
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Cheers,
Stan H.