document.write( "Question 907365: pls prove sinx - sinx cos²x = sin²x\r
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Algebra.Com's Answer #550272 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"sin%28x%29-sin%28x%29cos%5E2%28x%29=sin%5E2%28x%29\"
\n" ); document.write( "\"sin%28x%29%281-cos%5E2%28x%29%29=1-cos%5E2%28x%29\"
\n" ); document.write( "\"sin%28x%29=1\"\r
\n" ); document.write( "\n" ); document.write( "Check your problem setup because this is not an identity.
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