Homework 1

Due: 14 October 2020, by end of the work day

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1. Page 100, 3.4, Problem 7
2. Page 113, 3.5, Problem 45
3. Page 132, 3.7, Problem 31
4. Page 284, 6.3, Problem 12
5. Page 284, 6.3, Problem 13
6. Page 289, 6.4, Problem 10
7. Prove the following trigonmetric relations:

cos(x+y) = cos x cos y - sin x sin y
sin(x+y) = sin x cos y + cos x sin y

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