Right triangles and trigonometry quiz two khan Academy

Answer:
36.9 degrees
Step-by-step explanation:
Calcolate the sine of the angle BAC by dividing the opposite cathetus by the hypthenuse. That gives us 3/5 = 0.6. Now use the calculator to calculate the amplitude of the amgle by using the sin^-1 (or arcsin) function, so write sin^-1(0.6)=36.9.