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**Unformatted text preview: **p + q ? 5. Problem 3.1.42. 6. Problem 3.1.46. (Mutually perpendicular means that each column is perpendicular to all of the other columns) 7. Problem 3.2.8. In the parenthetical comment, the bond angle is the angle formed by the bonds between the carbon atom and two dierent hydrogen atoms. ..in other words, the same angle whose cosine youre trying to determine (note that this means you can check whether your answer is correct). 8. Problem 3.2.14. 9. Problem 3.2.18. 10. Problem 3.2.24. The vectors a 1 , a 2 and b are shown in a gure on the bottom of page 159. 1...

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