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The acute angle between the line barr=(...

The acute angle between the line `barr=(3hati-hatj-hatk)+lambda(hati-hatj+hatk)` and the plane `barr.(3hati-4hatk)=4` is

A

`sin^(-1)((1)/(5sqrt(3)))`

B

`sin^(-1)((-1)/(5sqrt(3)))`

C

`cos^(-1)((1)/(5sqrt(3)))`

D

`cos^(-1)((-1)/(5sqrt(3)))`

Text Solution

Verified by Experts

The correct Answer is:
A
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