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.
Back to basics 21 - Matrix replicating
Min of a Matrix
Side of an equilateral triangle
Perfect Square or not
UICBioE240 problem 1.6
Find Adjacency Matrix
Check if a string starts with another string
Solve the system of equations.
Find matrix of indices for multidimensional matrix.
Solve the following system of equations.
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