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in Trigonometry by (41.3k points)
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If sin-1x sin-1y = 2π/3, then cos-1x + cos-1y = .........

(A) 2π/3

(B) π/3

(C) π/6

(D) π

1 Answer

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by (41.5k points)
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Best answer

Correct option (B) π/3

Explanation:

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