SOLUTION: simplify the given equation suppose that sin(a)=4/5 and sin(b)=1/2, where pi/2<b<a<pi. find sin(a-b)

Question 1163201: simplify the given equation
suppose that sin(a)=4/5 and sin(b)=1/2, where pi/2
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Look it up on Wikipedia, "Half angle formulas"
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