cos(theta + pi)

sin(theta-3pi/2)

cos(2pi/9)cos(pi/18) + sin(2pi/9)sin(pi/18)

Printable View

- March 21st 2009, 06:21 PMdesperate_on_sunday_nighttrigonometry
cos(theta + pi)

sin(theta-3pi/2)

cos(2pi/9)cos(pi/18) + sin(2pi/9)sin(pi/18) - March 21st 2009, 06:55 PMskeeter