The principal value of always lies in the interval

MATHEMATICS · Single correct · CBSE · Mathematics · Inverse Trigonometric Functions · Inverse Trigonometric Functions

Problem

The principal value of arccos⁡x\arccos x always lies in the interval (a) (0,π)(0,\pi) (b) [0,2π][0,2\pi] (c) [0,π][0,\pi] (d) [−π2,π2]\left[-\dfrac{\pi}{2},\dfrac{\pi}{2}\right]

Related theory

Browse the problem library