The nbsp-function nbsp-f-x-cot nbsp-x nbsp-is nbsp-defined nbsp-for nbsp-all nbsp-x- nbsp- nbsp-n- nbsp-n-FalseTrue

The nbsp;fu...

Question

$The function f (x) = cot x is defined for all x \in R ~ nπ, n \in Z .$

False

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True

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The function f (x) = cot x is defined for all x \in R ~ nπ, n \in Z .

x, y

f

f (x) + f (y) + f (x) . f (y) = 1

f (x) > 0

f (x)

x

{[f (x)]}^{n} = f (n x)

f^{'} (x)

f (x)

x

f^{'} (x) . f (n x) = f (x) . f^{'} (n x)

x, y

f (x) + f (y) + f (x) \cdot f (y) = 1

f (x) > 0

f (x)

f^{'} (x) =

f (x) = {\begin{matrix} 2 + x^{3} & x \leq 1 3 x & x > 1 \end{matrix}} o n [- 1, 2]