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$S e c^{2} (T a n^{- 1} (2)) + C o \sec^{2} (C o t^{- 1} (2)) =$

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Correct option is B

Sec2(Tan−12)+Cosec2(Cot−12)=1+Tan2(Tan−12)+1+Cot2(Cot−12) = 1+4+1+4 =10

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Sec2(Tan−1(2))+Cosec2(Cot−1(2))=

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$S e c^{2} (T a n^{- 1} (2)) + C o \sec^{2} (C o t^{- 1} (2)) =$