- #1
mcastillo356
Gold Member
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- TL;DR Summary
- The net is very confusing; the textbooks don't make it easy. Is it right my attempt?
Hi, PF
There are two ways to write domain and range of a function: through set notation, or showing intervals.
I've chosen the set notation, and, for ##y=\csc x##, this is the attempt:
$$\text{D}:\{x\,|\,x\not\in{n\pi},\,n\not\in{\mathbb{Z}}\}$$
$$\text{R}:\{f(x)\,|\,x=\mathbb{R}\(-1,1)\}$$
![csc.jpg csc.jpg](https://www.physicsforums.com/data/attachments/315/315938-a32ef3209b24bba143f2aa98ca8e3f16.jpg)
PD: Post whitout preview
There are two ways to write domain and range of a function: through set notation, or showing intervals.
I've chosen the set notation, and, for ##y=\csc x##, this is the attempt:
$$\text{D}:\{x\,|\,x\not\in{n\pi},\,n\not\in{\mathbb{Z}}\}$$
$$\text{R}:\{f(x)\,|\,x=\mathbb{R}\(-1,1)\}$$
![csc.jpg csc.jpg](https://www.physicsforums.com/data/attachments/315/315938-a32ef3209b24bba143f2aa98ca8e3f16.jpg)
PD: Post whitout preview