- #1

erok81

- 464

- 0

The problem is:

[tex]sin(-\pi)+cos(5\pi)[/tex]

I have no idea what to do next. I know how the radian measure works but [tex]\pi[/tex] and [tex]5\pi[/tex] don't mean anything (to me) in regular degree's.

If anyone could give me a quick explanation on how to do these I'd really appreciate it.