Question

Asked Sep 15, 2019

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Find the angle ∠BAC if A = (−2, 1, 3), B = (0, 1, −1) and C = (1, 0, 2)

Step 1

Consider the given vertices.

A = (-2, 1, 3), B = (0, 1, -1), C = (1, 0, 2)

Step 2

Now, find the vectors of the given vertices.

Vector AB is

Step 3

Similarly, vect...

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