document.write( "Question 889761: Prove the identity:\r
\n" ); document.write( "\n" ); document.write( "Tan^2(x)-sin^2(x) =tan^2(x).sin^2(x) \n" ); document.write( "

Algebra.Com's Answer #538415 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"tan%5E2%28x%29-sin%5E2%28x%29=sin%5E2%28x%29%281%2Fcos%5E2%28x%29-1%29\"$
\n" ); document.write( " $\"sin%5E2%28x%29%2Fcos%5E2%28x%29-sin%5E2%28x%29=sin%5E2%28x%29%281%2Fcos%5E2%28x%29-1%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"sin%5E2%28x%29%2Fcos%5E2%28x%29-sin%5E2%28x%29=sin%5E2%28x%29%28sec%5E2%28x%29-1%29\"$
\n" ); document.write( " $\"sin%5E2%28x%29%2Fcos%5E2%28x%29-sin%5E2%28x%29=sin%5E2%28x%29tan%5E2%28x%29\"$
\n" ); document.write( " $\"sin%5E2%28x%29%2Fcos%5E2%28x%29-sin%5E2%28x%29=tan%5E2%28x%29sin%5E2%28x%29\"$
\n" ); document.write( " $\"tan%5E2%28x%29-sin%5E2%28x%29=tan%5E2%28x%29sin%5E2%28x%29\"$ \n" ); document.write( "

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