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यदि sin^(-1) x + sin^(-1) y + sin^(-1) z...

यदि `sin^(-1) x + sin^(-1) y + sin^(-1) z = pi` तो सिद्ध कीजिए कि
`xsqrt(1-x^(2)) + ysqrt(1-y^(2))+zsqrt(1-z^(2)) = 2xyz`

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