document.write( "Question 913182: Solve: cos3x = sin x , 0 ≤ x ≤ π/2\r
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document.write( "I have tried and tried with this one but to no avail! Your help is GREATLY appreciated! Please show all work and explain so that I can understand how to do it next time :) \n" );
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Algebra.Com's Answer #554470 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Solve: cos3x = sin x , 0 ≤ x ≤ π/2 \r \n" ); document.write( "\n" ); document.write( "----- \n" ); document.write( "sin(x) = cos((pi/2)-x) \n" ); document.write( "----- \n" ); document.write( "3x = (pi/2)-x \n" ); document.write( "4x = (pi/2) \n" ); document.write( "x = pi/8 \n" ); document.write( "------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "--------------- \n" ); document.write( " |