document.write( "Question 1011053: What is the exact value of cos -150 degrees? \n" ); document.write( "
Algebra.Com's Answer #626579 by stanbon(75887) ![]() You can put this solution on YOUR website! What is the exact value of cos -150 degrees? \n" ); document.write( "--------- \n" ); document.write( "cos(-150) = -cos(30) = -sqrt(3)/2 \n" ); document.write( "--------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----------------- \n" ); document.write( " |