document.write( "Question 970925: solve the equation for solutions over the interval [0 degrees, 360 degrees).\r
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document.write( "2 sin theta - 1 = csc theta \n" );
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Algebra.Com's Answer #593585 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! solve the equation for solutions over the interval [0 degrees, 360 degrees). \n" ); document.write( "2 sin theta - 1 = csc theta \n" ); document.write( "*** \n" ); document.write( "2sinx-1=cscx \n" ); document.write( "2sinx-1=1/sinx \n" ); document.write( "lcd: sinx \n" ); document.write( "2sin^2(x)-sinx=1 \n" ); document.write( "2sin^2(x)-sinx-1=0 \n" ); document.write( "(2sinx+1)(sinx-1)=0 \n" ); document.write( "2sinx+1=0 \n" ); document.write( "sinx=-1/2 \n" ); document.write( "x=210˚, 330˚ \n" ); document.write( "or \n" ); document.write( "sinx-1=0 \n" ); document.write( "sinx=1 \n" ); document.write( "x=90˚ \n" ); document.write( " |