Answer:
53.13degrees
Step-by-step explanation:
Using the SOH CAH TOA identity'
Sin theta = opposite/hypotenuse
Given
Hypotenuse AC= 10
Opposite BC = 8
Required
theta
Substitute
Sin theta = BC/AC
Sin theta = 8/10
sin theta= 0.8
theta = arcsin0,8
theta = 53.13
Hence the requred angle is 53.13degrees
