SOLUTION: If sin (x+y)=0.9 and sin(x-y)=0.6, determine (sin x)(cos y).

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Question 931800: If sin (x+y)=0.9 and sin(x-y)=0.6, determine (sin x)(cos y).
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
sinxcosy=(sin(x+y)+sin(x-y)/2=1.5/2=0.75