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$(\sec^2\theta-1) (1-\text{cosec}^2\theta)$ is equal to:
- (a)$1$
- (b)$2$
- (c)$-1$
- (d)$-2$
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(b) $-1$
( 2θ-1) (1-cosec2θ) is equal to: (a) 1 (c) 2 (b) -1 (d) -2
CBSE Class 10 Maths PYQ · Trigonometry · Find Value using Identities · 1 Mark · July 2023 · Standard
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