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Popular >

domain of cos(1/x)

Solution

domain

cos (\frac{1}{x})

Solution

x < 0 or x > 0

+1

Interval Notation

(- \infty, 0) \cup (0, \infty)

Solution steps

Find undefined (singularity) points:

x = 0

The function domain

x < 0 or x > 0

Graph

Popular Examples

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f (x) = ln (t + 6)

Frequently Asked Questions (FAQ)

What is the domain of cos(1/x) ?
The domain of cos(1/x) is x<0\lor x>0