Help will give Brainly points

Answer:
Option a - 33/55
Step-by-step explanation:
NOTE: SOH CAH TOA
SOH = Sin = opposite/hypotenuse
CAH = Cos = Adjacent/Hypotenuse
TOA = Tan = Opposite/Adjacent
_______________________________
For this question we need to calculate 'soh' because it is asking for 'sin'
so
opposite = 33
hypotenuse = 55
Sin (a) = opposite/hypotenuse
Sin (a) = 33/55
33/55 is option a