document.write( "Question 1130890: Simplify to a single squared trigonometric function\r
\n" ); document.write( "\n" ); document.write( "cos^2x(sec^2x-1)
\n" ); document.write( "

Algebra.Com's Answer #747511 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
cos^2x(sec^2x-1)
\n" ); document.write( "= 1 - cos^2(x)
\n" ); document.write( "= sin^2(x)
\n" ); document.write( "
\n" );