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)![]() ![]() ![]() You can put this solution on YOUR website! (-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 \n" ); document.write( " |