trigonometry

Question: General value of $\theta $ satisfying the equation ${{\tan }^{2}}\theta +\sec 2\theta -=1$ is (Where m and n are integers)

1) $m\pi ,n\pi +\frac{\pi }{3}$

2) $m\pi ,n\pi \pm \frac{\pi }{3}$

3) $m\pi ,n\pi \pm \frac{\pi }{6}$

4) None of these

Solution:

Explanation: No Explanation

Solution of trigonometric equations

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