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sec^(2)(tan^(-1)2)+csc^(2)(cot^(-1)3)=15...

sec^(2)(tan^(-1)2)+csc^(2)(cot^(-1)3)=15

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prove that sec^(2)(tan^(-1)2)+cosec^2(cot^(-1)3)=15

The numerical value of sec^(2)(tan^(-1)2) + cosec^(2)(cot^(-1)3) =______.

The value of sec^(2)(tan^(-1)2)+cosec^(2)(cot^(-1)3) is

sec^(2)(tan^(-1)2) +"cosec"^(2)(cot^(-1)3)=

sec^(2)(tan^(-1)2) +"cosec"^(2)(cot^(-1)3)=

sec^(2)(Tan^(-1)2)+cosec^(2)(Cot^(-1)3)=

sec^(2)(tan^(-1)3)+cosec^(2)(cot^(-1)3) = ____

sec^(2)(tan^(-1)4)+cosec^(2)(cot^(-1)3) =

sec^(2)(tan^(01)2)+csc^(2)(cot^(-1)3) is equal to 5 (b) 13 (c) 15 (d) 6

sec^(2)(tan^(-1)2) + "cosec"^(2)(cot^(-1)3)=