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∫sec x/(sec x + tan x)dx = ? A. tan x + sec x + C B. tan x – sec x + C

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∫sec x/(sec x + tan x)dx = ?

A. tan x + sec x + C

B. tan x – sec x + C

C. - tan x + sec x + C

D. - tan x – sec x + C

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1 Answer

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by (29.9k points)
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Best answer

Given:

Multiply and divide by (sec x - tan x )

= ∫(sec x )2 - tan x sec x dx

= tan x - sec x + c

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