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.
First N Perfect Squares
Replacing a row
Remove the positive integers.
Matlab Basics II - Log and natural log
Find Adjacency Matrix
Return ! if array element starts with a certain letter. Otherwise return ?
Calculate the centroid of a triangle
Find the product of the positive elements above the main diagonal.
Solve the following system of equations.
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