What is the domain of tan(2t) ?

The domain of tan(2t) is pi/2 n<= t< pi/4+pi/2 n\lor pi/4+pi/2 n<t< pi/2+pi/2 n

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domain of tan(2t)

domain

tan (2 t)

\frac{π}{2} n \leq t < \frac{π}{4} + \frac{π}{2} n or \frac{π}{4} + \frac{π}{2} n < t < \frac{π}{2} + \frac{π}{2} n

Interval Notation

[\frac{π}{2} n, \frac{π}{4} + \frac{π}{2} n) \cup (\frac{π}{4} + \frac{π}{2} n, \frac{π}{2} + \frac{π}{2} n)

Solution steps

Take the denominator(s) of

tan (2 t)

and compare to zero:

t = \frac{π}{4} + \frac{π}{2} n

Periodicity of

tan (2 t) : \frac{π}{2}

Combine period:

\frac{π}{2} n \leq t < \frac{π}{2} + \frac{π}{2} n

and undefined points.

The domain is

\frac{π}{2} n \leq t < \frac{π}{4} + \frac{π}{2} n or \frac{π}{4} + \frac{π}{2} n < t < \frac{π}{2} + \frac{π}{2} n

2 x^{2} - 12 x + 9

f (x) = ln (2 + ln (x))

f (x) = \frac{( x + 1 )}{x ^{2} - 1}

f (x) = \frac{3 x - 6}{x ^{2} - 6}

\frac{x + 2}{9 x + 4}

What is the domain of tan(2t) ?
The domain of tan(2t) is pi/2 n<= t< pi/4+pi/2 n\lor pi/4+pi/2 n<t< pi/2+pi/2 n