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Given the vector vecA=2hati+3hatj-hatk, ...

Given the vector `vecA=2hati+3hatj-hatk, vecB=3hati-2hatj-2hatk & vecC=phati+phatj+phatk`. Find the angle between `(vecA-vecB) &vecC`

A

`theta=cos^(-1)""((2)/(sqrt(3)))`

B

`theta=cos^(-1)""((sqrt(3))/(2))`

C

`theta=cos^(-1)""((sqrt(2))/(3))`

D

none of these.

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The correct Answer is:
C
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