Will Medal!
If 2tanx/ (1-tan^2x) = 1, then x can equal ____.
Check all that apply.
A) x=5pi/8 + npi
B) x=pi/8 + npi
C) x=3pi/8 + npi
D) x=7pi/8 + npi

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I think it is A and B. But this is me taking a guess. I am terrible at trig. Sorry

Yes. I am thinking you factor to get tan^2x = -2tan(x)+1?

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