- #1
basty
- 95
- 0
I know that ##\sin^2 x + cos^2 x = 1.##
Is this mean that
##\sin^2 2x + \cos^2 2x = 1##
or
##\sin^2 3x + \cos^2 3x = 1##
or
##\sin^2 4x + \cos^2 4x = 1##
and so on?
Is this mean that
##\sin^2 2x + \cos^2 2x = 1##
or
##\sin^2 3x + \cos^2 3x = 1##
or
##\sin^2 4x + \cos^2 4x = 1##
and so on?