Question

Simplify arccot(-sqrt3/3).

Answer 1

what this question is asking you is to find the angle of cotangent give you -sqrt(3)/3

Answer 2

Is it 5pi/3?

Answer 3

2pi/3

Answer 4

I actually think that you're right xD If you take the reciprocal of - sq rt 3/3 you get - sq rt of 3. However, the book will most likely only want you to put pi/3

Answer 5

Unless, they want you to use the triangle :X

Answer 6

but I doubt that.