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$(\cos^4 A - \sin^4 A)$ on simplification, gives
- (a)$2 \sin^2 A - 1$
- (b)$2 \sin^2 A + 1$
- (c)$2 \cos^2 A + 1$
- (d)$2 \cos^2 A - 1$
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(D) $2 \cos^2 A - 1$
( 4 A - 4 A) on simplification, gives
CBSE Class 10 Maths PYQ · Trigonometry · Find Value using Identities · 1 Mark · March 2023 · Standard
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