document.write( "Question 413883: \"simplify the expression by using a double angle formula or a half angle formula
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document.write( "2 sin 18% cos 18%\"\r
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Algebra.Com's Answer #290344 by jjordan95(63)![]() ![]() You can put this solution on YOUR website! No steps to show here, this is simply an identity. I will not bore you with the proof. \n" ); document.write( "- \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |