document.write( "Question 627967: Rewrite the expression as a triginometric function of a single measure\r
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\r\n" );
document.write( "  tan(4θ) + tan(2θ)\r\n" );
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document.write( " 1 - tan(4θ)tan(2θ)
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Algebra.Com's Answer #395275 by Edwin McCravy(20066)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "  tan(4θ) + tan(2θ)\r\n" );
document.write( "-------------------\r\n" );
document.write( " 1 - tan(4θ)tan(2θ)\r\n" );
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document.write( "Recall the identity \r\n" );
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document.write( "Observe that your expression is the same as the right side\r\n" );
document.write( "of that identity, where a = 4q and b = 2q  \r\n" );
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document.write( "Therefore, if you substitute those into that identity, you get\r\n" );
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document.write( "The right side is exactly your expression, so the answer is the\r\n" );
document.write( "left side \r\n" );
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document.write( "tan(4q + 2q)\r\n" );
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document.write( "which is \r\n" );
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document.write( "tan(6q)\r\n" );
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document.write( "Edwin
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