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CliffSedgeBest ResponseYou've already chosen the best response.0
I don't understand the question. Don't you just add them together since that's what "sum" means?
 one year ago

CliffSedgeBest ResponseYou've already chosen the best response.0
Do you want it only in terms of sin(x)? Here's a list of identities. http://tutorial.math.lamar.edu/pdf/Trig_Cheat_Sheet.pdf
 one year ago

acrossBest ResponseYou've already chosen the best response.0
The best you can do is simplify the expression:\[ \sin2x+\sin x\\ 2\sin x\cos x+\sin x\\ \sin x(2\cos x+1) \]
 one year ago
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