document.write( "Question 1106057:  Find the exact value of the following.\r
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document.write( "sin80°cos20° - cos80°sin20° \n" );
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| Algebra.Com's Answer #720970 by Boreal(15235)     You can put this solution on YOUR website! This is sin (a-b), where a=80 degrees and b=20 degrees \n" ); document.write( "sin (80-20)=sin (60), which is sqrt(3)/2 \n" ); document.write( " |