Sin a = 3/5 cot b = 24/7 maka Sin a- b adalah

sin a = 3/5
cot b= 24/7
tan b = 7/24
di masukan ke trigonometri ([tex] x^{2} = 49 + 576[/tex])
sin b = 7/25
cos b = 24/25
sin a = 3/5
cos a = 4/5
sin a-b = sin(A)cos(B)-sin(b)cos(A)
(3/5)(24/25) - (4/5)(7/25)
72/75 - 28/75
44/75