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" Prove that "sec^(2)(tan^(-1)2)+cos ec^...

" Prove that "sec^(2)(tan^(-1)2)+cos ec^(2)(cot^(-1)3)=15

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

Prove that: sec^(2) (tan^(-1)2) + "cosec"^(2)(cot^(-1)3)=15 .

Prove that sec^2(tan^(-1)2)+cos e c^2(cot^(-1)3)=15

Prove that: sec^2(tan^(-1)2)+cos e c^2(cot^(-1)3)=15 and tan^2(sec^(-1)2)+cot^2(cos e c^(-1)3)=11

Prove that: sec^2(tan^(-1)2)+cos e c^2(cot^(-1)3)=15 and tan^2(sec^(-1)2)+cot^2(cos e c^(-1)3)=11

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

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

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

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

If x=sec^(2)(tan^(-1)2)+cos ec^(2)(cot^(-1)3) and y=tan^(-1)((sqrt(1+tan^(2))8-1)/(tan8)) then 15x^(2)+4y^(2) is equal to 3434+lambda where lambda=