What is the domain and range of #cos(1/x)#?
1 Answer
Feb 28, 2018
Domain:
Explanation:
f(x) is defined
Hence, the domain of
Consider,
And,
And,
Also,
Hence, the range of
We may deduce these results from the graph of
graph{cos(1/x) [-3.464, 3.465, -1.734, 1.728]}