Use for statements to find the values of x(t) = 3 cos (2?ft +0.1) for t = 0,
01, 0.2, 0.3, 0.4 s when f =10, 15, and 20 Hz. Use one setofstatements to compute the values for all three frequencies andstore the results in a two-dimensional array. Use two nested forloops and double indexing.