Create a file called “testtan.dat” comprised of two lines with three real numbers on each line (some negative, some positive, in the -1 to 3 range). The file can be created from the Editor, or saved from a matrix

 Create a file called “testtan.dat” comprised of two lines with three real numbers on each line (some negative, some positive, in the -1 to 3 range). The file can be created from the Editor, or saved from a matrix. Then, load the file into a matrix and calculate the tangent of every element in the resulting matrix.