Please, don't use cos, tan, cot matlab functions.
As per Solution 1043996, need to ban a couple of other functions to enforce instruction.
This is wrong. For example, x = 3*pi/4, cot(x) = -1; but this solution gives sqrt(1-sin(x)^2)/sin(x) = 1.
Find common elements in matrix rows
Determine Whether an array is empty
Return 'on' or 'off'
Remove the positive integers.
Solve the following boundary value problem
Find the sum of the negative elements under the main diagonal.
Find matrix of indices for multidimensional matrix.
Return the length of the longest word in the string.
Numerate input arguments
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