Processing Math: Done
4.3 Exercises
From Förberedande kurs i matematik 1
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Current revision
| Theory | Exercises |
Exercise 4.3:1
Determine the angles 
2
| a) | 5 | b) | 7 | c) | |
Answer | Solution a | Solution b | Solution c
Loading...Exercise 4.3:2
Determine the angles
| a) | | b) | |
Exercise 4.3:3
Suppose that 2
v2
| a) | | b) | −v) |
| c) | | d) |  2−v |
| e) | 2+v | f) | 3+v |
Answer | Solution a | Solution b | Solution c | Solution d | Solution e | Solution f
Exercise 4.3:4
Suppose that v
| a) | | b) | |
| c) | | d) | |
| e) | v+4 | f) | v−3 |
Answer | Solution a | Solution b | Solution c | Solution d | Solution e | Solution f
Exercise 4.3:5
Determine
Exercise 4.3:6
| a) | Determine v2 |
| b) | Determine |
| c) | Determine v23 |
Answer | Solution a | Solution b | Solution c
Exercise 4.3:7
Determine
| a) | |
| b) | |
Exercise 4.3:8
Show the following trigonometric relations
| a) | |
| b) | |
| c) | |
| d) | |
Exercise 4.3:9
| Show Feynman's equality | |
  cos40cos80=81. | |
| (Hint: use the formula for double angles on |
