1. % Define the parameters
2. frequency = 10; % Frequency in Hertz
3. amplitude = 1; % Amplitude of the sine wave
4. phase = 0; % Phase shift in radians
5. samplingRate = 8000; % Sampling rate in samples per second
6. duration = 0.25; % Duration of the signal in seconds
7.  
8. % Create the time vector
9. t = 0:1/samplingRate:duration;
10.  
11. % Generate the sine wave
12. y = amplitude * sin(2 * pi * frequency * t + phase);
13.  
14. % Plot the sine wave
15. plot(t, y);
16. xlabel('Time (s)');
17. ylabel('Amplitude');
18. title('Sine Wave');
19.  
20. % Define the parameters
21. frequency = 10; % Frequency in Hertz
22. amplitude = 1; % Amplitude of the cosine wave
23. phase = 0; % Phase shift in radians
24. samplingRate = 8000; % Sampling rate in samples per second
25. duration = 0.25; % Duration of the signal in seconds
26.  
27. % Create the time vector
28. t = 0:1/samplingRate:duration;
29.  
30. % Generate the cosine wave
31. y = amplitude * cos(2 * pi * frequency * t + phase);
32.  
33. % Plot the cosine wave
34. plot(t, y);
35. xlabel('Time (s)');
36. ylabel('Amplitude');
37. title('Cosine Wave');
38.  
39. % Define the parameters
40. frequency = 10; % Frequency in Hertz
41. amplitude = 1; % Amplitude of the waves
42. phase = 0; % Phase shift in radians
43. samplingRate = 8000; % Sampling rate in samples per second
44. duration = 0.25; % Duration of the signal in seconds
45.  
46. % Create the time vector
47. t = 0:1/samplingRate:duration;
48.  
49. % Generate the sine and cosine waves
50. y_sin = amplitude * sin(2 * pi * frequency * t + phase);
51. y_cos = amplitude * cos(2 * pi * frequency * t + phase);
52.  
53. % Plot the sine wave in red
54. plot(t, y_sin, 'r');
55. hold on; % This command holds the current plot
56.  
57. % Plot the cosine wave in black
58. plot(t, y_cos, 'b');
59. hold off; % This command releases the current plot
60.  
61. % Add labels and title
62. xlabel('Time (s)');
63. ylabel('Amplitude');
64. title('Sine and Cosine Waves');
65. legend('Sine Wave', 'Cosine Wave'); % Add a legend