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cosec x = 2 এবং cot x =

- \sqrt{3}

হলে, কোনটি সত্য ?

\sin x = - \frac{1}{2}

\cos x \frac{\sqrt{3}}{2}

\tan x = \frac{\sqrt{3}}{2}

\cos x = - \frac{\sqrt{3}}{2}

ANS : 4

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