The solution of the differential equatio...

The solution of the differential equation
`cos y log (sec x + tan x)dx=cos x log(sec y + tan y)dy` is

A

(a) `sec^2 x + sec^2 y =c`

B

(b) `sec x + sec y =c`

C

(c) `sec x -sec y =c`

D

(d) None of these

Verified by Experts

The correct Answer is:

D

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