Page 26 - trigono
P. 26
SUDUT ( . ° − °)
cos . 360° − ° = cos(− ) = cos
tan . 360° − ° = tan(− ) = −tan
csc . 360° − ° = csc(− ) = −csc
sec . 360° − ° = sec(− ) = sec
cot . 360° − ° = cot(− ) = −cot 
