Find the principal value  of cot-1

Asked by Topperlearning User | 21st Apr, 2016, 01:23: PM

Expert Answer:

We know that for any x element ofR, cot-1 x denotes an angle in (0, p) whose cotangent is x

 cot-1 = An angle in (0, p) whose cotangent is

 cot–1 =


Answered by  | 21st Apr, 2016, 03:23: PM