Question

How do you use a calculator to evaluate `tan^-1 (2.25)` in both radians and degree?

Answer 1

`66^@04 or 0.37pi`

Explanation:

`tan^-1 (2.25)` --> arctan (2.25)
Calculator -->
tan x = 2.25 --> arc `x = 66^@04`
Transform to radians:
`(pi(66.04))/180 = 0.37pi`