Answer:
How to find the angle of a right triangle?
sin(α) = a / c so α = arcsin(a / c) (inverse sine)
cos(α) = b / c so α = arccos(b / c) (inverse cosine)
tan(α) = a / b so α = arctan(a / b) (inverse tangent)
cot(α) = b / a so α = arccot(b / a) (inverse cotangent)
Step-by-step explanation: