The only time you need
math;
Murderer: I'm a crazy person. Do this trigonometry problem or
I'll kill you.
Me: Can I use a graphing calculator?
Murderer: Yes, of course - and here is a list of the necessary
formulas.
Me: Thanks. Okay, lets see...sin2x = 2cosxsinx?
Murderer: That's correct. You're free to go.
hehehe(: ill fix it up later.