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Find the angle between vecr=(1+2mu)i+(2+...

Find the angle between `vecr=(1+2mu)i+(2+mu)j+(2mu-1)k`
and the plane `3x-2y+6z=0` (where `mu` is a scalar)

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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