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Number of pairs (x, y) satisfying sin sin^-1x + sin^-1y = 2π/3 and cos cos^-1x - cos^-1y = -π/3 is

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Number of pairs (x, y) satisfying sin sin-1x + sin-1y = 2π/3 and cos cos-1x - cos-1y = -π/3  is

(A) 0

(B) 1

(C) 2

(D) None of these

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1 Answer

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Best answer

Correct option (B) 1

Explanation:

We know,

Put Eq. (2) in Eq. (1)

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