Find the angle between the line vecr=(ha...

Find the angle between the line `vecr=(hati+2hatj-hatk)+lamda(hati-hatj+hatk)` and the plane `ver.(2hati-hatj+hatk)=4`

A

`sin^(-1)((2sqrt2)/(3))`

B

`sin^(-1)((sqrt2)/(6))`

C

`sin^(-1)((sqrt2)/(3))`

D

`sin^(-1)((2)/(sqrt3))`

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The correct Answer is:

A

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