document.write( "Question 1160136: Use the given information to determine the values of sine 2 theta, cosine 2 theta, and tangent 2 theta.
\n" ); document.write( "cos theta=8/17; The terminal side of theta lies in quadrant IV. \n" ); document.write( "

Algebra.Com's Answer #783324 by MathTherapy(10553) $\"\"$ $\"About$

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\n" ); document.write( "Use the given information to determine the values of sine 2 theta, cosine 2 theta, and tangent 2 theta.
\n" ); document.write( "cos theta=8/17; The terminal side of theta lies in quadrant IV.
\n" ); document.write( "

I do believe you need the EXACT values.
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document.write( "First, this is an 8-15-17 PYTHAG TRIPLE. Therefore, based on the fact that theta is in Quadrant IV, and that:  we get: 
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document.write( "Now, I can't determine if you want:    \n" );
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