SOLUTION: Find the exact value of the following. sin80°cos20° - cos80°sin20°

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Question 1106057: Find the exact value of the following.
sin80°cos20° - cos80°sin20°
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
This is sin (a-b), where a=80 degrees and b=20 degrees
sin (80-20)=sin (60), which is sqrt(3)/2