document.write( "Question 310723: Find to the nearest degree all values of theta in the interval 0 degrees is less than or equal to theta which is less than or equal to 180 degrees that satisfy the equation 8cos(squared)theta-2cos(theta)-1=0 \n" ); document.write( "
Algebra.Com's Answer #222205 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Find to the nearest degree all values of theta in the interval 0 degrees is less than or equal to theta which is less than or equal to 180 degrees that satisfy the equation \n" ); document.write( "8cos(squared)theta-2cos(theta)-1=0 \n" ); document.write( "------ \n" ); document.write( "Factor: \n" ); document.write( "(4cos(x)+1)(2cos(x)-1) = 0 \n" ); document.write( "--- \n" ); document.write( "cos(x) = -1/4 or cos(x) = 1/2 \n" ); document.write( "x = 104.48 deg or x = 60 deg. \n" ); document.write( "=================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |