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Question

Among which of these points is f(x)=tanx discontinuous?


A

π4

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B

0

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C

π4

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D

π2

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Solution

The correct option is D

π2


Lets draw the graph first

tanx tends to infinity at x=90o. It is a case where the limit of the function doesn't exist at the point since the function tends to infinity at these points.


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