What is the domain of f(x)=(sin(x))/(cos(x)) ?

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

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domain of f(x)=(sin(x))/(cos(x))

domain

f (x) = \frac{sin ( x )}{cos ( x )}

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

Interval Notation

Solution steps

Take the denominator(s) of

\frac{sin ( x )}{cos ( x )}

and compare to zero:

x = \frac{π}{2} + πn

Periodicity of

\frac{sin ( x )}{cos ( 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

f (x) = \frac{x - 3}{x ^{2} - 4} ln (x)

- \frac{6}{x ^{2}}

f (x) = x^{2} - x^{3}

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

\frac{x ^{2} - 2 x - 48}{x - 1}

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