document.write( "Question 750761: (-3,3) is on the terminal side of theta, what is the cosine of theta \n" ); document.write( "
Algebra.Com's Answer #456813 by lwsshak3(11628)\"\" \"About 
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(-3,3) is on the terminal side of theta, what is the cosine of theta.
\n" ); document.write( "reference angle in quadrant II
\n" ); document.write( "hypotenuse of reference right triangle=√(3^2+3^2)=√18=3√2
\n" ); document.write( "cos theta=-3/(3√2)=-√2
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