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4(sinx)(cosx)+2(sinx)-2(cosx)-1=0

Find x in radians
I can't figure this out? Any ideas?
Thanks

1 answer

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.
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