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Last updated at May 29, 2018 by Teachoo

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Ex 2.1, 1 Find the principal value of sin-1 (−1/2) Let y = sin-1 (−1/2) sin y = (−1)/2 sin y = sin ((−π)/6) Range of principal value of sin −1 is between (−𝜋)/2 and ( 𝜋)/2 Hence, the principal value is (− π)/6

Chapter 2 Class 12 Inverse Trigonometric Functions

Serial order wise

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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.