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.
Reindex a vector
Is the input divisible by 3?
Help the Patriots get to the Super Bowl
Find scalar product of two polynomials a and b, given as vector array.
Find Adjacency Matrix
Numerate input arguments
Return ! if array element starts with a certain letter. Otherwise return ?
Find matrix of indices for multidimensional matrix.
Find the Sum of the Series:
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