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If \( \frac{\sin ^{-1} x}{a}=\frac{\cos ^{-1} x}{b}=\frac{\tan ^{-1} y}{c} ; 0 [JEE Main 2021, 26 Feb (Shift 1)]

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If \( \frac{\sin ^{-1} x}{a}=\frac{\cos ^{-1} x}{b}=\frac{\tan ^{-1} y}{c} ; 0

[JEE Main 2021, 26 Feb (Shift 1)]

a

\( \frac{1-y^{2}}{2 y} \)

b

\( \frac{1-y^{2}}{y \sqrt{y}} \)

c

\( 1-y^{2} \)

d

\( \frac{1-y^{2}}{1+y^{2}} \)

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