document.write( "Question 1155752: Simplify: csc(x)+cos(x)cot(−x) \n" ); document.write( "
Algebra.Com's Answer #778395 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\"csc%28x%29%2Bcos%28x%29cot%28-x%29\".......use identities: \"csc%28x%29=1%2Fsin%28x%29\", \"cot%28-x%29=-cot%28x%29\", and \"-cot%28x%29=-cos%28x%29%2Fsin%28x%29\"\r
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\n" ); document.write( "\n" ); document.write( "=\"1%2Fsin%28x%29%2Bcos%28x%29%28-%28cos%28x%29%2Fsin%28x%29%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "=\"1%2Fsin%28x%29-cos%28x%29%28cos%28x%29%2Fsin%28x%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "=\"1%2Fsin%28x%29-cos%5E2%28x%29%2Fsin%28x%29\"\r
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\n" ); document.write( "\n" ); document.write( "=\"%281-cos%5E2%28x%29%29%2Fsin%28x%29\"..........use identity \"1-cos%5E2%28x%29=sin%5E2%28x%29\"\r
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\n" ); document.write( "\n" ); document.write( "=\"sin%5E2%28x%29%2Fsin%28x%29\"\r
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\n" ); document.write( "\n" ); document.write( "=\"sin%28x%29\"\r
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