What happened to trig functions in math.h?

I believe cos is defined in mathcalss.h which is included by math.h.

If you are having difficulty linking, make sure you use -lm on your gcc
command line to link to the math library.

Hope this helps.....

Bob

Shawn T. Rutledge wrote:

>I'm trying to compile a program which depends on sin and cos, and they're
>not in math.h! I don't believe it. The man page for cos even says it's
>in math.h. I'm running Debian of course.
>