If sin^(-1)a+sin^(-1)b+sin^(-1)c=pi, the...

If `sin^(-1)a+sin^(-1)b+sin^(-1)c=pi,` then the value of `asqrt((1-a^2))+bsqrt((1-b^2))+sqrt((1-c^2))` will be `2a b c` (b) `a b c` (c) `1/2a b c` (d) `1/3a b c`

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NAGEEN PRAKASHAN ENGLISH-INVERES TRIGONOMETRIC FUNCTIONS-Exericse 2a

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