Solution of the differential equation tan y sec2 x dx + tan x sec2 y – McqOptions

MCQOPTIONS

1.	Solution of the differential equation tan y sec2 x dx + tan x sec2 y dy =0 is
A.	tan x + tan y = k
B.	tan x - tan y = k
C.	\(\frac{{\tan x}}{{\tan y}} = k\)
D.	tan x ⋅ tan y = k
Answer» E.

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