SOLUTION: Please prove that sin(4t)=4sin(t)cos(t)-8sin^3(t)cos(t)

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Question 1045318: Please prove that sin(4t)=4sin(t)cos(t)-8sin^3(t)cos(t)
Answer by advanced_Learner(501) About Me  (Show Source):
You can put this solution on YOUR website!

challenging but easy
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check the graph,they are same.
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