document.write( "Question 1091650: Find the exact value of the expression as a single fraction.
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document.write( "Sin(pi/4)cos(0)-sin(pi/6)cos(pi) \n" );
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Algebra.Com's Answer #706080 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Sin(pi/4)cos(0)-sin(pi/6)cos(pi) \n" ); document.write( "=========== \n" ); document.write( "sin(pi/4) = sqrt(2)/2 \n" ); document.write( "cos(0) = 1 \n" ); document.write( "sin(pi/6) = 1/2 \n" ); document.write( "cos(pi) = -1 \n" ); document.write( "--------- \n" ); document.write( "You have to know those. \n" ); document.write( " |