How to Prove sin3x=3sinx 4sin^3x - Step by Step Tutorial

In this video, I will teach you how to show that the trig identity sin3x=3sinx 4sin^3x is true using a step-by-step easy to follow method.

[@user-lp7xt9fe6c]

Tqsm

[@hanarhiwa2791]

Thank youuu

[@syedanajifa9930]

Thank you thank you so much

[@aliciamroz7065]

Thank you!!!!

[@valeriaacho380]

thanks a lot

[@Masowe.]

cheers

[@tharin1018]

Thanks

[@DerVerdy]

can you prove the same problem with sinx=(e^ix-e^-ix)/2i ?

[@Mubeen446]

Yes