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$(\sin \theta + \cos \theta)^2 + (\sin \theta - \cos \theta)^2 =$
- (a)$1$
- (b)$2$
- (c)$2 + 2 \sin \theta \cos \theta$
- (d)$2 + 4 \sin \theta \cos \theta$
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Answer: (B) $2$
( θ + θ)2 + ( θ - θ)2 =
CBSE Class 10 Maths PYQ · Trigonometry · Find Value using Identities · 1 Mark · March 2025 · Basic
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