document.write( "Question 800158: cos (squared) theta = 1/2 \n" ); document.write( "
Algebra.Com's Answer #482960 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! cos^2 (theta) = 1/2 \n" ); document.write( "cos theta = 1/root2 \n" ); document.write( "theta = 45 degrees, 315 degrees, 45 + 360n, 315 + 360n \n" ); document.write( "theta = Pi/4, 7Pi/4, Pi/4 + 360n, 7Pi/4 + 360n. \n" ); document.write( "Hope this helps. \n" ); document.write( ":-) \n" ); document.write( " |