Solve the Problem $\theta$ Is $f ( \theta ) = \cot \theta$

question 218

Multiple Choice

Solve the problem.
-For what numbers $\theta$ is $f ( \theta ) = \cot \theta$ not defined?

• A) integral multiples of \(\pi \left( 180 ^ { \circ } \right)\)
• B) all real numbers
• C) odd multiples of \(\pi \left( 180 ^ { \circ } \right)\)
• D) odd multiples of \(\frac { \pi } { 2 } \left( 90 ^ { \circ } \right)\)

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