Home › Bihar Board Class 12 (Commerce) › Mathematics › Integrals › Using tan^2 x = sec^2 x - 1, integrate tan^2 x:
Using tan^2 x = sec^2 x - 1, integrate tan^2 x:
Atan x - x
Bsec x - x
Ctan^3 x / 3
Dtan x + x
Answer & Solution
Correct answer: A. tan x - x
Use tan^2 x = sec^2 x - 1; integrating gives tan x - x.
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