Question: Using the definition of the scalar product, find the angles between (a) A = 3i 2j and B = 4i 4j; (b) A = 2i

Using the definition of the scalar product, find the angles between
(a) A = 3i ─ 2j and B = 4i ─ 4j;
(b) A = ─2i + 4j and B = 3i + 4j + 2k;
(c) A = i ─ 2j + 2k and B = 3j + 4 k.

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