tan,sin,cos (by Cornelius M.)

Added by Cornelius M. on November 30, 1999 at 21:54:43:

tan x = sin x / cos x
sin^2 x + cos^2 x = 1
sin^2 x / cos^2 x = tan^2 x
(tan x)(cos x) = sin x

by the way......
1 + 1 = 2
1 + 1 = 10