Question

How do you evaluate `Arcsin(3/4)`?

Answer 1

Find `arcsin (3/4)`

Explanation:

`sin x = 3/4 = 0.75`. Calculator give -> arc `x = 48.59` deg

Trig unit circle gives another arc x that has the same sin value:

x = 180 - 48.59 = `131.41` deg