emilyadeyossket
emilyadeyossket emilyadeyossket
  • 04-08-2016
  • Mathematics
contestada

Prove that; sin3(theta)=3sin(theta)-4sin^3(theta) Show your solution.

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meerkat18
meerkat18 meerkat18
  • 07-08-2016
The problem ask to prove that the two equation or trigonometric functions are similar and congruent to each other , so base on the data in your problem and by following certain theories about the said trigonometric functions, the answer would be sin3x = sin(2x + x) = sin2x cos x + cos2xsinx, I hope this would help you 
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