Question

How do you calculate `arcsin(-0.3662)`?

Answer 1

`201^@48 and 338^@52`

Explanation:

sin x = - 0.3662
Calculator gives -->
arc `x = - 21^@48`, or `x = 338^@52` (co-terminal)
Unit circle gives another arc x that has the same sin value (-0.3662):
`x = 180 + 21.48 = 201^@48`