Question

integration of sin²x-cos²x/sin²x cos²x
dxis equal to
A. tan x + cot x + c
C. -tan x + cot x + c
B. tan x + cosec x + c
D.tan x + sec x + C. ??? please answer this carefully and correctly.

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Answer 1

Answer:

a) tan x +cot x +c is correct