document.write( "Question 1018130: Rewrite with only sin x and cos x.\r
\n" ); document.write( "\n" ); document.write( "sin 2x - cos x
\n" ); document.write( "

Algebra.Com's Answer #634283 by ikleyn(52914)\"\" \"About 
You can put this solution on YOUR website!
.
\n" ); document.write( "Rewrite with only sin x and cos x.\r
\n" ); document.write( "\n" ); document.write( "sin 2x - cos x
\n" ); document.write( "--------------------------------\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "sin(2x) - cos(x) = 2*sin(x)*cos(x) - cos(x) = cos(x)*(2*sin(x)-1)).\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );