In the test suite, the correct answer should be (1+sin(x))./cos(x)+cos(x) ./ (1+sin(x)) % note the dot-slash in the second term
Well, at least if we assume that it was meant to be consistent with the problem statement :)
Note that this problem uses the word solve when it needs to say EVALUATE.
I support John D'Errico's comment: equations can be solved, but expressions cannot.
Also, it is pointless having the solution method exposed in the Test Suite. See further discussion at Problem 44617 &c.
Project Euler: Problem 2, Sum of even Fibonacci
Find the nearest integer
03 - Matrix Variables 5
Opposite task convert binary numbers array into array of decimal numbers.
Sum positive elements of matrix.
Form a square matrix from four square sub-matrices
Pointwise multiplication of vectors.
Create a square matrix with given conditions
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