document.write( "Question 410717: Please help me verify this equation:\r
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document.write( "cot^2 theta-cos^2 theta= (cot^2 theta) (cos^2 theta) \n" );
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Algebra.Com's Answer #288771 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! cot^2 theta-cos^2 theta= (cot^2 theta) (cos^2 theta) \n" ); document.write( "..\r \n" ); document.write( "\n" ); document.write( "cot^2-cos^2=(cot^2)(cos^2) \n" ); document.write( "starting with left-hand side, \n" ); document.write( "(cos^2/sin^2-cos^2 \n" ); document.write( "=(cos^2-sin^2cos^2)/sin^2 \n" ); document.write( "=cos^2(1-sin^2)/sin^2 \n" ); document.write( "=cos^2*cos^2/sin^2 \n" ); document.write( "=cos^4/sin^2 \n" ); document.write( "=(cos^2/sin^2)*cos^2 \n" ); document.write( "=(cot^2)(cos^2) \n" ); document.write( "identity confirmed: Left-hand side = right-hand side \n" ); document.write( " |