The solutions set of the equations \[{{\sin }^{-1}}x=2{{\tan }^{-1}}x\] is

The solutions set of the equations \[{{\sin }^{-1}}x=2{{\tan }^{-1}}x\

1.	The solutions set of the equations \[{{\sin }^{-1}}x=2{{\tan }^{-1}}x\] is
A.	\[\left\{ 1,2 \right\}\]
B.	\[\left\{ -1,2 \right\}\]
C.	\[\left\{ -1,1,0 \right\}\]
D.	\[\left\{ 1,1/2,0 \right\}\]
Answer» D. \[\left\{ 1,1/2,0 \right\}\]

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The solutions set of the equations \[{{\sin }^{-1}}x=2{{\tan }^{-1}}x\] is

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