Last updated at Dec. 16, 2024 by Teachoo
Example 1 Find the principal value of sin–1 (1/√2). Let y = sin–1 (1/√2) sin y = 1/√2 sin y = sin (𝝅/𝟒) ∴ y = 𝝅/𝟒 Since range of principal value of sin −1 is [(−𝝅)/𝟐, ( 𝝅)/𝟐] Hence, Principal Value is 𝝅/𝟒
About the Author
Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo