Plot the following 2D and 3D graphs using plot, plot3 and surf or mesh, as appropriate....

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Plot the following 2D and 3D graphs using "plot", "plot3" and "surf" or mesh, as appropriate. Use "subplot" to place multiple graphs in a figure. 2. Plot the following three-dimensional curves. Use axis equal. a. Spherical helix (c = 5.0; 0 ≤ t ≤ 10π): y = sin(t/2c) cos(t) y = sin(t/2c) sin(t) Z = cos(t/2c) b. Sine wave on cylinder (a = 10.0; b = 1.0; c = 0.3; 0 ≤ t ≤ 2π: X = b cos(t) y = b sin(t) z = cos(at) c. Sine wave on sphere (a = 10.0, b = 1.0, c = 0.3, 0 ≤ t ≤ 2π): X = cos(t)√b²c² cos² (at) y = sin(t)√b² - c² cos² (at) z = c cos(at) Plot the following 2D and 3D graphs using "plot", "plot3" and "surf" or mesh, as appropriate. Use "subplot" to place multiple graphs in a figure. 2. Plot the following three-dimensional curves. Use axis equal. a. Spherical helix (c = 5.0; 0 ≤ t ≤ 10π): y = sin(t/2c) cos(t) y = sin(t/2c) sin(t) Z = cos(t/2c) b. Sine wave on cylinder (a = 10.0; b = 1.0; c = 0.3; 0 ≤ t ≤ 2π: X = b cos(t) y = b sin(t) z = cos(at) c. Sine wave on sphere (a = 10.0, b = 1.0, c = 0.3, 0 ≤ t ≤ 2π): X = cos(t)√b²c² cos² (at) y = sin(t)√b² - c² cos² (at) z = c cos(at)