document.write( "Question 360872: I need help proving the following trigonometric identity. I can't seem to get the proof correct and can't figure out what I'm doing wrong. I am trying to use the basic laws of sine and cosine to prove this identity but it doesn't seem to work. Thanks for your help!\r
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document.write( "Here's the identity:\r
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Algebra.Com's Answer #257522 by Edwin McCravy(20056)![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( "\r\n" ); document.write( "\n" ); document.write( " |