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Trigonometric Ratios And Identities
COMEDK 2025 Evening Shift
MCQ+1 / -02025
If $\tan \alpha=\frac{1}{7}$ and $\sin \beta=\frac{1}{\sqrt{10}}, \quad 0<\alpha, \beta<\frac{\pi}{2}$ then $2 \beta$ is equal to
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