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The value of int {1+tan x*tan (x + A)}\ ...

The value of `int {1+tan x*tan (x + A)}\ dx` is

A

`cot A * log |(sec x)/(sec(x+A))|+C`

B

`tan A * log |sec(x+A)|+C`

C

`cotA*log|(sec(x+A))/(sec(x))|+C`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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