Question #c60c5

1 Answer
Jim H
Apr 7, 2017

#{theta|theta != kpi ", for " k " an integer"}#

Explanation:

Note that

#cot theta = cos theta/sin theta# and

#csc theta = 1/sin theta#.

Therefore, #theta# cannot have any value that makes #sin theta = 0#.

So #theta# cannot be an integer multiple of #pi#

#theta# can have any other value

So the domain is #{theta|theta != kpi ", for " k " an integer"}#

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