$\"\"$ \ \

The function is $\"\"$ . \ \

Rewrite the function. \ \

$\"\"$ \ \

Find the values for which $\"\"$ is continuous. \ \

A inverse tangent function is defined for real numbers. \ \

Denominator of the function should never be zero. \ \

$\"\"$ \ \

$\"\"$ . \ \

Set of values for which $\"\"$ is continuous is $\"\"$ . \ \

$\"\"$ \ \

Set of values for which $\"\"$ is continuous is $\"\"$ .