Question

21. If 2 sin -1 x +{cos-" x} >pi/2
+{sin-1x), then x e: (where {:} denotes fractional part function)
(a) (cos 1, 1]
(b) [sin 1, 1]
(c) (sin 1, 1]
Coin o)
(d) None of these
is constant).
fa

Answer 1

Answer:

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