document.write( "Question 870705: How to prove left side equals the right side for:\r
\n" ); document.write( "\n" ); document.write( "sin3x + sinxcos2x = sinx
\n" ); document.write( "

Algebra.Com's Answer #525076 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
You can't because it's not an identity.
\n" ); document.write( "You can solve for the values of \"x\" when it is true, if that's what you're looking for.
\n" ); document.write( "Please repost if that's what you need.
\n" ); document.write( "
\n" ); document.write( "
\n" );