If , then is equal…

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

Problem

If π≤x≤2π\pi \leq x \leq 2\pi, then cos⁡−1(cos⁡x)\cos^{-1}(\cos x) is equal to (a) xx (b) π−x\pi - x (c) 2π+x2\pi + x (d) 2π−x2\pi - x

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