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OpenStudy (anonymous):
For what numbers theta is f(theta)=cot(theta) not defined? f(theta)=cot(theta) is not defined for numbers that are (even multiples, odd multiples, multiples) of (90*, 180*, 45*).
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OpenStudy (anonymous):
cot theta = cos theta / sin theta when sin theta = 0, the function is undefined. So for what values of theta that satisfy the equation sin theta = 0?
OpenStudy (mertsj):
So it is undefined for 0 +kpi
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