1. Chapter 2 Class 12 Inverse Trigonometric Functions
  2. Serial order wise
  3. Ex 2.1

Ex 2.1, 5 - Chapter 2 Class 12 Inverse Trigonometric Functions

Last updated at May 29, 2018 by

Ex 2.1, 5 - Find principal value of cos-1 (-1/2) - Inverse - Finding pricipal value

  1. Chapter 2 Class 12 Inverse Trigonometric Functions
  2. Serial order wise

    3. Ex 2.1

    Ex 2.2 →

Transcript

Ex 2.1, 5 Find the principal value of cos-1 ( 1/2) Let y = cos-1 ( 1/2) cos y = 1/2 cos y = cos (2 /3). Range of principal value of cos-1 is [0 , ] Hence, the principal value is 2 /3.

Chapter 2 Class 12 Inverse Trigonometric Functions
Serial order wise

About the Author

Davneet Singh's photo - Teacher, Computer Engineer, Marketer
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.