Question

How do you evaluate `arcsin(sin((5pi)/3))`?

Answer 1

`arcsin` and `sin` are inverses. Inverses, when applied on each other, cancel.

`x*1/x = 1`, `arcsin(sinx) = x`, `b^(log_(b)x) = x`, etc.

`cancel(arcsin)(cancel(sin)((5pi)/3)) = (5pi)/3`