trigonometry

Question: If $\sin \text{ }\left( \frac{\pi }{4}\cot \theta \right)=\cos \text{ }\left( \frac{\pi }{4}\tan \theta \right)\,\,,$ then $\theta =$

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

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

3) $n\pi -\frac{\pi }{4}$

4) $2n\pi \pm \frac{\pi }{6}$

Solution:

Explanation: No Explanation

Solution of trigonometric equations

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