`tan y dx+ sec^(2)y tan x dy=0`

sec^(2)x tany dx + sec^(2)y tan x dy = dy =0

Solve the following differential equation (4) sec^2xtany dx+sec^2 y tan x dy=0

sec^(2) y tan x dy + sec^(2) x tan y dx = 0 , " when " x =y = pi/4

Solve each of the following differential equations tan x tan y dx + sec^2x sec^2 y dy=0 .

Solve the differential equation e^(x) tan y dx + (1-e^(x))sec^(2) y dy = 0

The solution of the differential equation sec^2y tan x dy+sec^2x tan y dx=0 under the condition x=y=pi/4 is

Solution of the differential equation tan y.sec^(2) x dx + tan x. sec^(2)y dy = 0 is

Solution of the differential equation tan y.sec^(2) x dx + tan x. sec^(2)y dy = 0 is