Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesTrigonometrical ratios of multiple and sub-multiple angles
EasyIf $\tan \theta = t,$ then $\tan 2\theta + \sec 2\theta = $
- A$\frac{1 + t}{1 - t}$
- B$\frac{1 - t}{1 + t}$
- C$\frac{2t}{1 - t}$
- D$\frac{2t}{1 + t}$
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