document.write( "Question 831646: find sin theta if cos theta=1/2 and theta terminates in quadrant IV \n" ); document.write( "
Algebra.Com's Answer #501546 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! find sin theta if cos theta=1/2 and theta terminates in quadrant IV \n" ); document.write( "----- \n" ); document.write( "In QIV x is positive and y is negative \n" ); document.write( "------- \n" ); document.write( "Since cos = x/r, x = 1 and r = 2 \n" ); document.write( "Then y = -sqrt[2^2-1^2] = -sqrt(5) \n" ); document.write( "----- \n" ); document.write( "Ans: sin(t) = y/r = -sqrt(5)/2 \n" ); document.write( "========================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "========================= \n" ); document.write( " |