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If $\sin A = \frac{2}{3}$, then $\cos A$ is equal to :
- (a)$\frac{3}{2}$
- (b)$\frac{\sqrt{5}}{3}$
- (c)$\frac{1}{3}$
- (d)$\frac{1}{\sqrt{3}}$
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Ans. (b) $\frac{\sqrt{5}}{3}$
If A = 2/3 , then A is equal to :
CBSE Class 10 Maths PYQ · Trigonometry · Find T-ratio or value of Expression · 1 Mark · March 2025 · Basic
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