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The angle between r=(1+2mu)hati+(2+mu)ha...

The angle between `r=(1+2mu)hati+(2+mu)hatj+(2mu-1)hatk` and the plane `3x-2y+6z=0` where `mu` is a scalar ,is

A

`sin^-1(15/21)`

B

`cos^-1(16/21)`

C

`sin^-1(16/21)`

D

`pi/2`

Text Solution

Verified by Experts

The correct Answer is:
C
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