ID: Class: 12 Subject: Math Topic: Inverse Trigonometric Function Type: Mcq Year: 2025

Question:

The principal value of \(\cot^{-1}(-\frac{1}{\sqrt{3}})\) is:
  • A. \(-\frac{\pi}{3}\)
  • B. \(-\frac{2\pi}{3}\)
  • C. \(\frac{\pi}{3}\)
  • D. \(\frac{2\pi}{3}\)