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If $\sin^{- 1} x + \sin^{- 1} y = \frac{2 π}{3}$ then $\cos^{- 1} x + \cos^{- 1} y =$

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Correct option is B

We have,sin−1⁡x+sin−1⁡y=2π3⇒ π2−cos−1⁡x+π2−cos−1⁡y=2π3⇒ cos−1⁡x+cos−1⁡y=π−2π3=π3

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If sin−1⁡x+sin−1⁡y=2π3 then cos−1⁡x+cos−1⁡y=

Remember concepts with our Masterclasses.

Ready to Test Your Skills?

free study material

If $\sin^{- 1} x + \sin^{- 1} y = \frac{2 π}{3}$ then $\cos^{- 1} x + \cos^{- 1} y =$