trigonometry

Question: The general value of $\theta $ satisfying ${{\sin }^{2}}\theta +\sin \theta =2$ is

1) $n\pi +{{(-1)}^{n}}\frac{\pi }{6}$

2) $2n\pi +\frac{\pi }{4}$

3) $n\pi +{{(-1)}^{n}}\frac{\pi }{2}$

4) $n\pi +{{(-1)}^{n}}\frac{\pi }{3}$

Solution:

Explanation: No Explanation

Solution of trigonometric equations

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