1.

What is the value of \(\frac{{\cot x}}{{1 - \tan x}} + \frac{{\tan x}}{{1 - \cot x}}?\)

A. sin x cos x + 1
B. sec x cosec x + 1
C. tan x cot x + 1
D. sec2x cosec2 x + 1
Answer» C. tan x cot x + 1


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