document.write( "Question 846816: How to solve this eqaction
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document.write( "Solve the equation 7cosx + 3 = 0 over the interval ( 0,360) \n" );
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Algebra.Com's Answer #510017 by stanbon(75887) ![]() You can put this solution on YOUR website! How to solve this eqaction \n" ); document.write( "Solve the equation 7cosx + 3 = 0 over the interval ( 0,360) \n" ); document.write( "-------- \n" ); document.write( "cos(x) = -3/7 \n" ); document.write( "------- \n" ); document.write( "x = arccos(-3/7) = 115.38 degrees \n" ); document.write( "Also \n" ); document.write( "180-115.38 = 64.62 \n" ); document.write( "x = 180+64.62 = 244.62 degrees \n" ); document.write( "============ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |