Question

How to find domain of cot x

explain with step .

Q ) is any difference to find domain specially in case of
Cot x

Answer 1

There are two important rules to find out the domain of a function
i)The resultant of the function after putting the value of domain ; denominator of the resultant shouldnot be 0
ii)If it results in a square root then it should be possitive


So for cotx if we put all real value then its result obeys all the above rules but not for

so its domain is R-n(pi)

Answer 2

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