document.write( "Question 512065: Find the exact solution of the equation 2pi = 6cos^-1(3x).\r
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document.write( "(The \"6cos^-1\" is cos inverse) \n" );
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Algebra.Com's Answer #342506 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Find the exact solution of the equation 2pi = 6cos^-1(3x). \n" ); document.write( "---- \n" ); document.write( "cos^-1(3x) = pi/3 \n" ); document.write( "--- \n" ); document.write( "Take the cos of both sides to get: \n" ); document.write( "---------- \n" ); document.write( "3x = cos(pi/3) \n" ); document.write( "-- \n" ); document.write( "3x = 1/2 \n" ); document.write( "x = 1/6 \n" ); document.write( "============ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============ \n" ); document.write( " |