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Let vecA=hatiA Cos theta+hatjA Sintheta,...

Let `vecA=hatiA Cos theta+hatjA Sintheta`, be any vector, Another vector `vecB` which is normal to `vecA` is :

A

`hatiB cos theta + hatj B sintheta

B

`hatiBsin theta + hatjB costheta `

C

`hatiB sintheta - hatjB cos theta `

D

`hatiA costheta- hatj A sin theta`

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ALLEN -BASIC MATHEMATICS USED IN PHYSICS &VECTORS -DOT PRODUCT
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