Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesFundamental trigonometrical ratios and functions, Trigonometrical ratio of allied angles
EasyIf $\tan \theta = 2$ and $\theta$ lies in the third quadrant,then the value of $\sec \theta$ is
- A$-\sqrt{5}$
- B$\sqrt{3}$
- C$-\sqrt{2}$
- D$\sqrt{5}$
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