Find the value of cos - 1 - 1 2 .

Let y = cos - 1 - 1 2 = cos - 1 cos 2 π 3 = 2 π 3 . ∵ cos 2 π 3 = - 1 2 and cos - 1 cosθ = θ for 0 ≤ θ ≤ π

PHYSICS For Joint Entrance Examination JEE (Advanced) Mechanics I>Chapter 2 - Basic Mathematics>ILLUSTRATION 2.10

B M Sharma Solutions for Chapter: Basic Mathematics, Exercise 11: ILLUSTRATION 2.10

Author:B M Sharma

B M Sharma Physics Solutions for Exercise - B M Sharma Solutions for Chapter: Basic Mathematics, Exercise 11: ILLUSTRATION 2.10

Attempt the practice questions on Chapter 2: Basic Mathematics, Exercise 11: ILLUSTRATION 2.10 with hints and solutions to strengthen your understanding. PHYSICS For Joint Entrance Examination JEE (Advanced) Mechanics I solutions are prepared by Experienced Embibe Experts.