perbandingan trigonometri pada segitiga siku siku :
sin ∅ = de/mi
cos ∅ = sa/mi
tan ∅ = de/sa
cosec ∅ = mi/de
sec ∅ = mi/sa
cotan ∅ = sa/de
de = depan
mi = miring (sisi miring / hipotenusa)
sa = samping
jawab :
sin a = de/mi
sin a = 3/6
sin a = 1/2
cos a = sa/mi
cos a = 2/6
cos a = 1/3
tan a = de/sa
tan a = 3/2
cosec a = mi/de
cosec a = 6/3
cosec a = 2
sec a = mi/sa
sec a = 6/2
sec a = 3
cotan a = sa/de
cotan a = 2/3
