cos(2005*pi) sin(1960*pi)
------------*cos(1960*pi) ------------*sin(2005*pi)
360 360
------------------------- + -------------------------
360 360 -7.71604938271605e-6
cos(1960*pi)*cos(2005*pi) sin(1960*pi)*sin(2005*pi)
------------------------- + -------------------------
129600 129600