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The value of $(\sin^2 A + \cos^2 A) + (\sec^2 A - \tan^2 A) - (\cot^2 A - \csc^2 A)$ is :
- (a)$1$
- (b)$-1$
- (c)$3$
- (d)$-2$
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Ans: (C) $3$
The value of ( 2 A + 2 A) + ( 2 A - 2 A) - ( 2 A - 2 A) is :
CBSE Class 10 Maths PYQ · Trigonometry · Find Value using Identities · 1 Mark · March 2025 · Basic
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