Wb Jee
Trigonometric Functions And Equations
WB JEE 2025
MCQ+2 / -0.52025
যদি $\cos (\theta+\phi)=\frac{3}{5}$ এবং $\sin (\theta-\phi)=\frac{5}{13}, 0<\theta, \phi<\frac{\pi}{4}$, হয়, তাহলে $\cot (2 \theta)$ এর মান হবে
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