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\sin θ

এর মান কোনটির সমান?

\frac{1 - \tan^{2} θ}{1 + \tan^{2} θ}

\frac{2 \tan θ}{1 + \tan^{2} θ}

\frac{1 + \tan^{2} θ}{2 \tan^{2} θ}

\frac{\tan^{2} θ}{1 + \tan^{2} θ}

ANS : 2

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