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1. $\sec^{2} (\tan^{- 1} 2) + \csc^{2} \cot^{- 3}$

Answer: Option B

Explanation:

\sec^{2} (\tan^{- 1} 2) + \csc {ec}^{2} (\cot^{- 1} 3) =1+ \tan^{2} (\tan^{- 1} 2) +1+ \cot^{2} (\cot^{- 1} 3) = 2 + 2^{2} + 3^{2} = 15

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