document.write( "Question 1067577: From the figure, find the exact values of sin 2u, cos 2u, and tan 2u
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Algebra.Com's Answer #682985 by MathTherapy(10557)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "From the figure, find the exact values of sin 2u, cos 2u, and tan 2u
\n" ); document.write( "Figure: https://s30.postimg.org/5bufl6abl/figure_23.png
\n" ); document.write( "Thank you!
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Opposite side: 2           Adjacent side: 1          \"r%5E2+=+2%5E2+%2B+1%5E2\"\r\n" );
document.write( "                                                     \"r%5E2+=+4+%2B+1\"\r\n" );
document.write( "                                                     Hypotenuse, or r = \"sqrt%285%29\"\r\n" );
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document.write( "\"sin+%28u%29+=+2sqrt%285%29%2F5\"               \"cos+%28u%29+=+sqrt%285%29%2F5\"               \"tan+%28u%29+=+2\"\r\n" );
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document.write( "\"sin+%282u%29\"  = \"2+sin+%28u%29+cos+%28u%29\"\r\n" );
document.write( "\"highlight_green%28sin+%282u%29%29\" = \r\n" );
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document.write( "\"cos+%282u%29\"  = \"2+cos%5E2+%28u%29+-+1\"\r\n" );
document.write( "\"highlight_green%28cos+%282u%29%29\" = \r\n" );
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document.write( "\"tan+%282u%29\"  = \"%282+tan+%28u%29%29%2F%281+-+tan%5E2+%28u%29%29\"\r\n" );
document.write( "\"highlight_green%28tan+%282u%29%29\" =
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