document.write( "Question 881541: Verify: sec^2x-sin^2x-cos^2x = tan^2x\r
\n" ); document.write( "\n" ); document.write( "Really need help on this.\r
\n" ); document.write( "\n" ); document.write( "It breaks down as 1/cos^2x-sin^2x-cos^2x = tan^2x but I get stuck after this point. \n" ); document.write( "

Algebra.Com's Answer #532286 by lwsshak3(11628) $\"\"$ $\"About$

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