What is the domain of f(x)= 1/2 tan(x) ?

The domain of f(x)= 1/2 tan(x) is pin<= x< pi/2+pin\lor pi/2+pin<x<pi+pin

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domain of f(x)= 1/2 tan(x)

domain

f (x) = \frac{1}{2} tan (x)

πn \leq x < \frac{π}{2} + πn or \frac{π}{2} + πn < x < π + πn

Interval Notation

[πn, \frac{π}{2} + πn) \cup (\frac{π}{2} + πn, π + πn)

Solution steps

Take the denominator(s) of

\frac{1}{2} tan (x)

and compare to zero:

x = \frac{π}{2} + πn

Periodicity of

\frac{1}{2} tan (x) : π

Combine period:

πn \leq x < π + πn

and undefined points.

The domain is

πn \leq x < \frac{π}{2} + πn or \frac{π}{2} + πn < x < π + πn

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f (x) = 2 x + 3, - 2 \leq x < 1

f (x) = x - 4 x^{3}

What is the domain of f(x)= 1/2 tan(x) ?
The domain of f(x)= 1/2 tan(x) is pin<= x< pi/2+pin\lor pi/2+pin<x<pi+pin