USe matlab language please

Erereise 4:3D plotting 1. Plot the following 3D eurves using the plot3 funetio: a) Spherical heliz ) cos(t) ) sin(t) = sie( V = sin where c =and 0 10x b) Sine wae on a sphere where a = 10, b-l, e = 0.3, And 1S2T. 2 Plot the folowing surfnees using the surt funetion a) Sine surface = sin(u) sin(v) sin(u + v) b) Spring where r1 = r2 e) Elliptie torus 0.5, t = 1.5, 0 10x, and () 10 r. v where c = 0.5,-r r,and T. u V