Which of the following ordered pairs lies on the graph of ?

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

Problem

Which of the following ordered pairs lies on the graph of y=arccos⁡xy=\arccos x? (a) (1,π)(1,\pi) (b) (0,π2)(0,\tfrac{\pi}{2}) (c) (−1,−π2)(-1,-\tfrac{\pi}{2}) (d) (12,π6)(\tfrac12,\tfrac{\pi}{6})

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