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$\cot^2\theta - \frac{1}{\sin^2\theta}$ is equal to:
- (a)$1$
- (b)$-2$
- (c)$2$
- (d)$-1$
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(d) $- 1$
2θ - 1/ 2θ is equal to:
CBSE Class 10 Maths PYQ · Trigonometry · Find Value using Identities · 1 Mark · July 2023 · Standard
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