Function: solar-cosine-degrees
solar-cosine-degrees is a byte-compiled function defined in
solar.el.gz.
Signature
(solar-cosine-degrees X)
Documentation
Return cosine of X degrees.
Source Code
;; Defined in /usr/src/emacs/lisp/calendar/solar.el.gz
(defun solar-cosine-degrees (x)
"Return cosine of X degrees."
(cos (degrees-to-radians (mod x 360.0))))