document.write( "Question 1073725: Prove the identity:\r
\n" ); document.write( "\n" ); document.write( "sinx/(1-cosx) - 1/sinx=1/tanx \n" ); document.write( "
Algebra.Com's Answer #688520 by Edwin McCravy(20054)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "We work with the left side only:\r\n" );
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document.write( "\"sin%28x%29%2F%281-cos%28x%29%29+-+1%2Fsin%28x%29\" ≡ \"1%2Ftan%28x%29\"\r\n" );
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document.write( "\"%28sin%5E2%28x%29-1%2Bcos%28x%29%29%2F%28sin%28x%29%281-cos%28x%29%5E%22%22%29%29\"\r\n" );
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document.write( "\"%281-cos%5E2%28x%29-1%2Bcos%28x%29%29%2F%28sin%28x%29%281-cos%28x%29%5E%22%22%29%29\"\r\n" );
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document.write( "\"%28-cos%5E2%28x%29%2Bcos%28x%29%29%2F%28sin%28x%29%281-cos%28x%29%5E%22%22%29%29\"\r\n" );
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document.write( "\"%28cos%28x%29%28-cos%28x%29%5E%22%22%2B1%29%29%2F%28sin%28x%29%281-cos%28x%29%5E%22%22%29%29\"\r\n" );
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document.write( "\"cos%28x%29%2Fsin%28x%29\"\r\n" );
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document.write( "\"cot%28x%29\"\r\n" );
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document.write( "\"1%2Ftan%28x%29\"\r\n" );
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document.write( "Edwin
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