1. Hey so, I've got these vectors a and b. All I know is this: . Fact #1: a . b = -7. . Fact
1. Hey so, I've got these vectors a and b. All I know is this: . Fact #1: a . b = -7. . Fact #2: a x b = (-9, 6, 2). What's the angle between a and b?2. Happy Thursday! I bought you these vectors: a = (?, 2, 3) and b = (-4, ?, ?). Unfortunately, I forgot some of the components. But I do remember one fact: proj a = (1, 8, -7). What are a and b
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