document.write( "Question 1178822: solve cos x/3 - sin x/3 = 0 over the interval [0, 2pi) \n" ); document.write( "
Algebra.Com's Answer #808234 by ikleyn(52797)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "\r\n" ); document.write( "If cos(x/3) - sin(x/3) = 0, then\r\n" ); document.write( "\r\n" ); document.write( " cos(x/3) = sin(x/3),\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "which implies\r\n" ); document.write( "\r\n" ); document.write( " tan(x/3) = 1.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Hence, x/3 =\r \n" ); document.write( "\n" ); document.write( "Solved.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |