If \[{{\sin }^{-1}}x={{\tan }^{-1}}y,\] what is the value of\[\frac{1}{{{x}^{2}}}-\frac{1}{{{y}^{2}}}?\]

If \[{{\sin }^{-1}}x={{\tan }^{-1}}y,\] what is the value of\[\frac{1}

1.	If \[{{\sin }^{-1}}x={{\tan }^{-1}}y,\] what is the value of\[\frac{1}{{{x}^{2}}}-\frac{1}{{{y}^{2}}}?\]
A.	1
B.	-1
C.	0
D.	2
Answer» B. -1

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If \[{{\sin }^{-1}}x={{\tan }^{-1}}y,\] what is the value of\[\frac{1}{{{x}^{2}}}-\frac{1}{{{y}^{2}}}?\]

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