30
$\frac{3}{4} \tan^2 30^{\circ} -\sec^2 45^{\circ} + \sin^2 60^{\circ}$ is equal to
- (a)$-1$
- (b)$\frac{5}{6}$
- (c)$-\frac{3}{2}$
- (d)$\frac{1}{6}$
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(A) $-1$
3/4 2 30° - 2 45° + 2 60° is equal to (A) -1 (B) 5/6 (C) -3/2 (D) 1/6
CBSE Class 10 Maths PYQ · Trigonometry · Specific Angles Expression · 1 Mark · March 2023 · Standard
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