Ex 2.1, 3 - Chapter 2 Class 12 Inverse Trigonometric Functions
Last updated at August 5, 2026 by Teachoo
Finding principal value
Principal Value
You are here
You are here
Chapter 2 Class 12 Inverse Trigonometric Functions
Concept wise
Take a fresh quiz. Then take another.
Every attempt is a new AI-adaptive Teachoo quiz with 3 questions, selected from your answers, mistakes, and progress.
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.
