SOLUTION: Sin(a+b)+sin(a-b)

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Question 775414: Sin(a+b)+sin(a-b)
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Sin(a + b) + sin(a - b)
sinacosb + cosasinb + sinacosb - cosasinb
= 2sinacosb.
Hope this helps.
:-)