SOLUTION: sin2x=cosx

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Question 736258: sin2x=cosx
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
sin2x=cosx
sin%282x%29+=+cos%28x%29
2sin%28x%29%2Acos%28x%29+=+cos%28x%29
2sin%28x%29cos%28x%29+-++cos%28x%29=+0
2sin%28x%29cos%28x%29+-++cos%28x%29=+0
cos%28x%29%2A%282sin%28x%29+-+1%29+=+0
cos(x) = 0
----------------
2sin(x) - 1 = 0
sin(x) = 1/2
You can finish and check.