" 10."cos y log(sec x+tan x)dx=cos x log(sec y+tan y)dy

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

The solution of the differential equation cos y log(sec x+tan x)dx=cos x log(sec y+tan y)dy is (a) sec^(2)x+sec^(2)y=c(b)sec x+sec y=c(c)sec x-sec y=c(d)Non of these

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

int sec x log (sec x+ tan x)dx=

int sec x ln(sec x+tan x)dx=

int sec x log (sec x+tan x) dx.

int sec x ln(sec x+tan x)dx=

((ln (sec x + tan x)) / (cos x) dx = ((ln (sec y + tan y)) / (cos y) dy

Evaluate: (i) int sec x log(sec x+tan x)dx (ii) int cos ecx log(cos ecx-cot x)dx

If y = log (sec x + tan x), then dy/dx =