Let S={x in (-pi, pi) : x ne 0, pm pi/2}...

Let `S={x in (-pi, pi) : x ne 0, pm pi/2}`. The sum of all distinct solutions of the equation `sqrt(2) sec x+cosec x + 2(tan x-cot x)`
`=0` in the set S is equal to

A

`-7 pi//9`

B

`-2pi//9`

C

0

D

`5pi//9`

Verified by Experts

The correct Answer is:

C

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