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24-05-2024
Mathematics

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Consider the vectors A = −3î + 4ĵ − 5 k and B = 5î − 7ĵ + 6 k. Calculate the following quantities. (Give your answers in degrees.)
(A) cos−1 A · B / AB °
(B) sin−1 |A ✕ B| / AB °
(C) Which gives the angle between the vectors?

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