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The value of cos^-1 (cos 5π​/3) + sin^-1 (sin (5π​/3) is (a)π​/2 (b)5π​/3 (c)10π​/3 (d) 0

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The value of cos-1 (cos 5π​/3) + sin-1 (sin (5π​/3) is
(a)π​/2
(b)5π​/3
(c)10π​/3
(d) 0

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(d) is the correct option

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