Back to Inverse Trigonometric Functions
Class 12 · Mathematics (041) · Unit 2: Inverse Trigonometric Functions

Principal Value Branches

Lesson 1 of 3
sin⁡−1x:[−1,1]→[−π2,π2]\sin^{-1} x : [-1,1] \to [-\tfrac{\pi}{2}, \tfrac{\pi}{2}]; cos⁡−1x:[−1,1]→[0,π]\cos^{-1} x : [-1,1] \to [0, \pi].
Gyaan Maths — CBSE Class 6-12, built for board-toppers.
v1.1 · Sept 2026