[Chi]

Lucifer: I did, thank you.

Ace: Trig functions.

Logan: I don't understand how I can find the solution to x in an interval of [2 , 9] aren't intervals supposed to be like [0 , pi] or [0 , 2(pi)]?
That's why I was confused when I entered the solution in and the computer said it was incorrect. .-.

Lucid: It's okay, not your fault. c:
-Snugsnug.-