Ex 2.1, 3 - Find principal value of cosec-1 (2) - Inverse

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

Transcript

Ex 2.1, 3 Find the principal value of cosec−1 (2) Let y = cosec−1 2 cosec y = 2 cosec y = cosec (𝝅/𝟔) ∴ y = 𝝅/𝟔 Since Range of cosec-1 is [−π/2,π/2] – {0} Hence, Principal Value is 𝝅/𝟔.

About the Author

Davneet Singh's photo - Teacher, Engineer, Marketer
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.