The angle between the lines \[\frac{x}{1}=\frac{y}{0}=\frac{z}{-1}\] and \[\frac{x}{3}=\frac{y}{4}=\frac{z}{5}\] is [Pb. CET 2002]

The angle between the lines \[\frac{x}{1}=\frac{y}{0}=\frac{z}{-1}\] a

1.	The angle between the lines \[\frac{x}{1}=\frac{y}{0}=\frac{z}{-1}\] and \[\frac{x}{3}=\frac{y}{4}=\frac{z}{5}\] is [Pb. CET 2002]
A.	\[{{\cos }^{-1}}\frac{1}{5}\]
B.	\[{{\cos }^{-1}}\frac{1}{3}\]
C.	\[{{\cos }^{-1}}\frac{1}{2}\]
D.	\[{{\cos }^{-1}}\frac{1}{4}\]
Answer» B. \[{{\cos }^{-1}}\frac{1}{3}\]

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The angle between the lines \[\frac{x}{1}=\frac{y}{0}=\frac{z}{-1}\] and \[\frac{x}{3}=\frac{y}{4}=\frac{z}{5}\] is [Pb. CET 2002]

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