Question

How do you evaluate the equation `arctan(-sqrt3)`?

Answer 1

Evaluate `arctan (-sqrt3)`

Ans: `(2pi)/3` and `(5pi)/3`

Explanation:

Trig Table of Special Arcs and unit circle give -->
`tan x = sqrt3` --> arc `x = (2pi)/3` and arc `x = (2pi)/3 + pi = (5pi)/3`