Example 1 - Chapter 2 Class 12 Inverse Trigonometric Functions

Last updated at August 5, 2026 by

Example 1 - Find principal value of sin-1 (1/root 2) - Examples - Examples

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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

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