Answer:
sin A = 3/5
cos A = 4/5
Step-by-step explanation:
For angle A, the opposite leg is BC with length 3.
For angle A, the adjacent leg is AC with length 4.
The hypotenuse is AB with length 5.
sin A = opp/hyp
sin A = 3/5
cos A = adj/hyp
cos A = 4/5
