General solution of $eq^n\, 2tan\theta \, -\, cot\theta =\, -1$ is
General solution of $eq^n\, 2tan\theta \, -\, cot\theta =\, -1$ is
- A
$n\pi $
- B
$n\pi \,-\, \pi /4$
- C
$n\pi \,+\, \pi /4$
- D
None of these
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