document.write( "Question 886508: Verify:\r
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document.write( "cos(x) / 1+sin(x) = sec(x) - tan(x)
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Algebra.Com's Answer #536144 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Verify: \n" ); document.write( "cos(x) / 1+sin(x) = sec(x) - tan(x) \n" ); document.write( " ----- \n" ); document.write( "cos/(1+sin) = (1/cos) - (sin/cos) \n" ); document.write( "------ \n" ); document.write( "cos/(1+sin) = (1-sin)/cos \n" ); document.write( "----- \n" ); document.write( "Cross-multiply to get: \n" ); document.write( "cos^2 = (1+sin)(1-sin) \n" ); document.write( "cos^2 = 1-sin^2 \n" ); document.write( "---- \n" ); document.write( "Ans: cos^2 = cos^2 \n" ); document.write( "----------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "-------------------- \n" ); document.write( " |