Question

angle between (B -A)vector and Z axis?
please answer fast.
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Answer 1

Explanation:

Given,

(A) vector = 3i + 4j - 5k

(B) vector = 4i - 3j + 7k

(B-A) vector = i - j +2k

angle between (B-A) and z axis is

Φ = acute angle

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Answer 2

Answer:

$\huge\mathfrak\pink{in attachment}$

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$\huge\mathbb\purple{thanks}$