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\tan^{2} θ = \frac{1}{θ}

θ

এর সাধারণ মান কোনটি?

n π \pm \frac{π}{r}

2 n π \pm \frac{π}{6}

n π + (- 1)^{n} \frac{π}{6}

n π

ANS : 1

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