document.write( "Question 272182: need help on 2 problems with the directions- find all solutions of the equation in the interval (0,2pie) algebraically.\r
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document.write( "1. cosx + sinxtanx = 2\r
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document.write( "2. secxcscx = 2cscx \n" );
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Algebra.Com's Answer #199171 by stanbon(75887) ![]() You can put this solution on YOUR website! find all solutions of the equation in the interval (0,2pie) algebraically. \n" ); document.write( "1. cosx + sinxtanx = 2 \n" ); document.write( "cosx + cosx = 2 \n" ); document.write( "2cos(x) = 2 \n" ); document.write( "cos(x) = 1 \n" ); document.write( "x = 0 and x = 2pi \n" ); document.write( "------------------------------- \n" ); document.write( " \n" ); document.write( "2. secxcscx = 2cscx \n" ); document.write( "2csc(x) - sec(x)*csc(x) = 0 \n" ); document.write( "Factor: \n" ); document.write( "csc(x)[2 - sec(x)] = 0 \n" ); document.write( "csc(x) = 0 or sec(x) = 2 \n" ); document.write( "--- \n" ); document.write( "Solutions: \n" ); document.write( "csc(x) never equals 0 \n" ); document.write( "--- \n" ); document.write( "sec(x) = 2 when cos(x) = 1/2 \n" ); document.write( "when x = pi/3 or x = (5/3)pi \n" ); document.write( "=================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |