document.write( "Question 698783: i need to find the exact value of sin-210 degrees of the trig function, help? \n" ); document.write( "
Algebra.Com's Answer #431538 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! i need to find the exact value of sin-210 degrees of the trig function, help? \n" ); document.write( "-210 deg is like rotating 210 deg counter-clockwise, terminating in quadrant II where the reference angle=30 deg, and sin>0 \n" ); document.write( "sin -210º=sin 30º=1/2 \n" ); document.write( " |