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If vec(A) = (1)/(sqrt2) cos theta hat(i)...

If `vec(A) = (1)/(sqrt2) cos theta hat(i) + (1)/(sqrt2) sin theta hat(j)`, what will be the unit vector perpendicular to `vec(A)`

A

`cos theta i + sin theta j`

B

`-cos theta i + sin theta j`

C

`(cos theta i+ sin theta j)/(sqrt2)`

D

`sin theta i- cos theta j`

Text Solution

Verified by Experts

The correct Answer is:
D
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