CBSE Questions for Class 11 Engineering Maths Trigonometric Functions Quiz 17 - MCQExams.com

The general solution of the equation $$\displaystyle tan 3\theta = -1$$ is
  • $$\displaystyle \theta = \frac{n\pi}{3} + \frac{\pi}{4}, n \in I$$
  • $$\displaystyle \theta = \frac{2n\pi}{3} + \frac{\pi}{4}, n \in I $$
  • $$\displaystyle \theta = \frac{n\pi}{3} \pm \frac{\pi}{4}, n \in I$$
  • none of these.
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