Within the same question as I previously posted about,
there is a jump not explaining conclusions that I can't quite see how the derivation was made.
cos cubed 2theta = (1 - sin squared 2theta)cos 2theta
Can anyone help?
Thanks
Within the same question as I previously posted about,
there is a jump not explaining conclusions that I can't quite see how the derivation was made.
cos cubed 2theta = (1 - sin squared 2theta)cos 2theta
Can anyone help?
Thanks