Z}

[shy sable]

1. Do not ping the Moderators, unless someone is breaking the rules.
2. Do not ping the Helper Moderators, unless there is a conflict between helpers.
3. Do not ping other members randomly for help.
4. Ask your question and show the work you've done so far. If you've posted a screenshot of a question, specify which part you need help with.
5. Wait patiently for a helper to come along.
6. If the Helper has answered your question, remember to thank them with the Mathematics Ranks bot and close the thread with:

+close
Feel free to nominate the person for helper of the week in #helper-nominations
If you're happy with the help you got here, and the server overall, you can contribute financially as well:

[glossy patio]

What's the domain of inverse tangent? Also, why would it be 5pi/6?

[gleaming bane]

got it

i forgot that

-pie/2 to pie/2

[glossy patio]

tan(5pi/6) =/= tan(7pi/6)

[glossy patio]

That actually doesn't answer the question you asked.

Or, wait, no, it does.

Sorry, just woke up.

[gleaming bane]

principal range

...

[glossy patio]

This is true, though, right?

[gleaming bane]

nvm

thank you:)