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Find the angle between the following pai...

Find the angle between the following pair of lines: A lines with direction ratios 2,2,1 A line joning (3,1,4)to (7,2,12)

A

`cos^(-1)((2)/(3))`

B

`sin^(-1)((2)/(3))`

C

`tan^(-1)((2)/(3))`

D

`cos^(-1)((1)/(3))`

Text Solution

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The correct Answer is:
A
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