Question

What is `arc cot(-2)`?

Answer 1

Find arccot (-2)

Ans: 153.43 and (-26.56)

Explanation:

cot x = -2 --> tan x = - 1/2
Calculator --> tan x = -1/2 --> arc `x = -26^@56` and `x = 180 - 26.56 = 153^@43`