document.write( "Question 1162598: How to prove.\r
\n" ); document.write( "\n" ); document.write( "cos 2x +1/sin 2x = sin 2x/1- cos 2x \n" ); document.write( "

Algebra.Com's Answer #786437 by Alan3354(69443) $\"\"$ $\"About$

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How to prove.\r
\n" ); document.write( "\n" ); document.write( "cos 2x +1/sin 2x = sin 2x/1- cos 2x
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\n" ); document.write( "If you mean:\r
\n" ); document.write( "\n" ); document.write( " $\"%28cos%282x%29+%2B1%29%2Fsin%282x%29+=+sin%282x%29%2F%281-+cos%282x%29%29\"$
\n" ); document.write( "Cross multiply
\n" ); document.write( " $\"1+-+cos%5E2%282x%29+=+sin%5E2%282x%29\"$
\n" ); document.write( " $\"1+=+sin%5E2%282x%29+%2B+cos%5E2%282x%29\"$
\n" ); document.write( "Pythagorean identity\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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