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The value of $(1 - 2 \sin^2 60^{\circ})$ is same as that of
- (a)$\sin 30^{\circ}$
- (b)$-\sin 30^{\circ}$
- (c)$\cos 60^{\circ}$
- (d)$-\cos 30^{\circ}$
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(B) $-\sin 30^{\circ}$
The value of (1 - 2 2 60°) is same as that of
CBSE Class 10 Maths PYQ · Trigonometry · Specific Angles Expression · 1 Mark · March 2025 · Standard
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