Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesFundamental trigonometrical ratios and functions, Trigonometrical ratio of allied angles
EasyFind the value of $\sin \frac{31 \pi}{3}$.
- A$\frac{\sqrt{3}}{2}$
- B$-\frac{\sqrt{3}}{2}$
- C$\frac{1}{2}$
- D$-\frac{1}{2}$
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Factorize the expression: $2 \cot^2 \theta - \cot \theta - 3$.
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