document.write( "Question 175731: Square root of (5cos(theta)+12sin)theta)squared+(12cos(theta)-5sin(theta))squared=13 \n" ); document.write( "

Algebra.Com's Answer #130989 by Alan3354(69443) $\"\"$ $\"About$

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Square root of (5cos(theta)+12sin)theta)squared+(12cos(theta)-5sin(theta))squared=13
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\n" ); document.write( " $\"sqrt%28%2850cos%5E2%28t%29+%2B+288sin%5E2%28t%29%29%29+=+13\"$
\n" ); document.write( " $\"%28%2850cos%5E2%28t%29+%2B+288sin%5E2%28t%29%29%29+=+169\"$
\n" ); document.write( " $\"%28%28238sin%5E2%28t%29%29%29+=+119\"$
\n" ); document.write( " $\"%28%28sin%5E2%28t%29%29%29+=+0.5\"$
\n" ); document.write( "sin(theta) = sqrt(2)/2
\n" ); document.write( "theta = 45º
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