If y = x tan x / sec x + tan x. Find dy/dx.
A) x sec x(sec x−tan x)+tan x / sec x+tan x.
B) x sec x(sec x−tan x)+tan x / (sec x+tan x)²
C) x sec x(sec x−tan x)−tan x / sec x+tan x
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Answer:
(B)
using the formula of differentiation.
Hope it helps you....
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