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OpenStudy (anonymous):
for what numbers theta is f(theta)= cot theta not defined?
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OpenStudy (anonymous):
We know that when we divide by 0, it isn't defined and as cot(theta)=1/tan(theta) we are looking for values of tan(theta) that equal 0. Find tan^-1(0) and you have your answer (make sure you pick all values in your interval, or specify a set).
OpenStudy (anonymous):
Could you detail that a little more? I just don't understand the concept.
OpenStudy (anonymous):
Sure! Do you agree that 1/x isn't defined when x=0?
OpenStudy (anonymous):
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