If vecA.vecB= vecB.vecC when theta1 is t...

If `vecA.vecB= vecB.vecC` when `theta_1` is the angle between A and B. `theta_2` is the angle between B and C.We can say A=C if

A

`theta_1 = theta_2`

B

`theta_1 gt theta_2`

C

`theta_1lttheta_2`

D

`theta = 90^@` and `theta_2 = 0^@`

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