document.write( "Question 1056804: Prove the identity:\r
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Algebra.Com's Answer #671870 by Edwin McCravy(20056) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "Work with the right side:\r\n" );
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document.write( "Use formula for tan(2A)\r\n" );
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document.write( "Invert the second and multiply:\r\n" );
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document.write( "Break into two fractions:\r\n" );
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document.write( "Edwin

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