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\sin θ

c o t θ

এর মাধ্যমে প্রকাশ কর:

\pm \frac{1}{\sqrt{1 + c o t^{2} θ}}

\pm \frac{1}{\sqrt{2 + c o t^{2} θ}}

\pm \frac{1}{\sqrt{1 + c o t θ}}

\pm \frac{1}{\sqrt{1 - c o t^{2} θ}}

ANS : 1

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