trigonometry

Question: If $\tan \theta =t,$then $\tan 2\theta +\sec 2\theta =$

1) $\frac{1+t}{1-t}$

2) $\frac{1-t}{1+t}$

3) $\frac{2t}{1-t}$

4) $\frac{2t}{1+t}$

Solution:

Explanation: No Solution

Trigonometric ratios of multiple and sub-multiple angles

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