document.write( "Question 1029364: Verify that the trigonometric equation is an identity:\r
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document.write( "csc(x)-2sin(x)=cos(2x)cscx \n" );
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Algebra.Com's Answer #644477 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Verify that the trigonometric equation is an identity:\r \n" ); document.write( "\n" ); document.write( "csc(x)-2sin(x)=cos(2x)cscx \n" ); document.write( "============================= \n" ); document.write( "Multiply thru by sin(x) \n" ); document.write( "1 - 2sin^2(x) = cos(2x) QED \n" ); document.write( " \n" ); document.write( " |