This is another problem which I am not able to complete
Prove the following identity.
sin(4x) = 8sin(x)cos^3(x)-4sin(x)cos(x)
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This is another problem which I am not able to complete
Prove the following identity.
sin(4x) = 8sin(x)cos^3(x)-4sin(x)cos(x)
Quote:
Originally Posted by MathRaven
is that showing all the steps which you took?
it's your turn, how did he get from the 1st to the 2nd step? ... and from the 2nd to the 3rd?Quote:
Originally Posted by MathRaven