4(sinx)(cosx)+2(sinx)-2(cosx)-1=0
Find x in radians
I can't figure this out? Any ideas?
Thanks
Factor this equation as follows:
(2 sinx -1)(2 cosx + 1) = 0
So sinx = 1/2 and
cosx = -1/2 are the solutions.
Figure out the corresponding angles. pi/6 and 2 pi/3 are two of them.