The correct option is A tan x + sec x + c I=∫ (sec^2x+secx tanx)dx=tanx+secx+c ...

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Differentiation under Integral Sign

∫ x x+tan x d...

Question

$\int s e c x (s e c x + t a n x) d x =$

tan x + sec x + c

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tan x – sec x + c

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sec x – tan x + c

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sec x tan x + c

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Solution

The correct option is A
tan x + sec x + c

$I = \int (s e c^{2} x + s e c x t a n x) d x = t a n x + s e c x + c$

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