1. y = 3 sin 6x
3. 2 , π3
5. 3 , π4
7. 2 , π6
9. 1 , π8
11. 520, 1
13. 3 , 12
15. 15 , 6π
17. 12 , 3π
19. 0.4, 9
21. 3.3 , 2π
23. y = sin 6x
25. y = sin 6πx
27.
29.
31. 2 sin 3x = − 2 sin( − 3x)
33. 2π
35. y = − 2 sin 2x
37. 105 MHz
39.
41.
43. y = 12cos 2x
45. y = − 4 sin πx
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