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The number of ordered triples (x,y,z) th...

The number of ordered triples (x,y,z) that satisfy the equation `(sin^(-1)x)^(2)=(pi^(2))/(4)+(sec^(-1)y)^(2)+(tan^(-1)z)^(2)` is

A

`1`

B

`2`

C

`3`

D

none of these

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The correct Answer is:
D
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