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in Mathematics by (64.1k points)
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If x =1/5, the value of cos (cos–1x + 2 sin–1 x) is

(a)  -√(24/25)

(b)  √(24/25)

(c) -1/5

(d)  1/5

1 Answer

+1 vote
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Best answer

Correct option  (c) -1/5

Explanation:

The given expression is equal to

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