document.write( "Question 949537: The inequality sin x >(or equal to) cos x is true for all values of x in the interval\r
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document.write( "A. 0 < X < 90
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document.write( "B. 0 < X < 360
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document.write( "C. 45 < X < 225
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document.write( "D. 45 < X < 315 \n" );
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Algebra.Com's Answer #579947 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The inequality sin x >(or equal to) cos x is true for all values of x in the interval \n" ); document.write( "Trace the points on the unit circle to determine the solution. \n" ); document.write( "Remember x is the cos ; y is the sin \n" ); document.write( "--------------------------------------------- \n" ); document.write( " A. 0 < X < 90 \n" ); document.write( "x goes from 1 to 0 \n" ); document.write( "y goes from 0 to 1 \n" ); document.write( "------ \n" ); document.write( " B. 0 < X < 360 \n" ); document.write( "x goes from 1 to 0 to -1 to 0 to 1 \n" ); document.write( "y goes from 0 to 1 to 0 to -1 to 0 \n" ); document.write( "---------------------------------- \n" ); document.write( " C. 45 < X < 225 \n" ); document.write( "x goes from sqrt(2)/2 to -(sqrt(2)/2) \n" ); document.write( "y goes from sqrt(2)/2 to 1 to sqrt(2/3) \n" ); document.write( "That looks like the answer \n" ); document.write( "---------------------------- \n" ); document.write( "45 < X < 315 \n" ); document.write( "x goes from sqrt(2) to 0 to -1 to 0 to sqrt(2)2 \n" ); document.write( "y goes from sqrt(2)/2 to 1 to 0 to -1 to to -sqrt(2)/2 \n" ); document.write( "================================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----------------- \n" ); document.write( " \n" ); document.write( " |