document.write( "Question 748177: what is the solution set for 2 cos theta -1=0 in the interval 0 degrees equal to or less than theta <360 degrees?
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Algebra.Com's Answer #455358 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! 2 cos theta - 1 = 0 \n" ); document.write( "2 cos theta = 1 \n" ); document.write( " cos theta = 1/2 \n" ); document.write( " theta = 60 degrees (pi/3) or 300 degrees (5 pi/3) \n" ); document.write( " |