document.write( "Question 1106057: Find the exact value of the following.\r
\n" ); document.write( "\n" ); document.write( "sin80°cos20° - cos80°sin20°
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Algebra.Com's Answer #720970 by Boreal(15235)\"\" \"About 
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
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