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Given vec(C )= vec(A) xx vec(B) and vec(...

Given `vec(C )= vec(A) xx vec(B) and vec(D) = vec(B) xx vec(A)`. What is the angle between `vec(C ) and vec(D)` ?

A

`30^(@)`

B

`60^(@)`

C

`90^(@)`

D

`180^(@)`

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