RU-C

tanθ+cotθ=2cosecθ,0θ<π2\tan \theta+\cot \theta=2 \operatorname{cosec} \theta, 0 \leq \theta<\frac{\pi}{2} হলে θ এর মান কত? (What is the value of θ that satisfies tanθ+cotθ=2cosecθ,0θ<π2?)\left.\tan \theta+\cot \theta=2 \operatorname{cosec} \theta, 0 \leq \theta<\frac{\pi}{2} ?\right)

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