Function: sin

sin is a function defined in floatfns.c.

Signature

(sin ARG)

Documentation

Return the sine of ARG.

Other relevant functions are documented in the number group.

View in manual

Shortdoc

;; number
(sin float-pi)
    => 1.2246467991473532e-16

Source Code

// Defined in /usr/src/emacs/src/floatfns.c
{
  double d = extract_float (arg);
  d = sin (d);
  return make_float (d);
}