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The number of ordered triplets (x,y,z) s...

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

A

`1`

B

`2`

C

`3`

D

none of these

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The correct Answer is:
D
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