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.
Back to basics 22 - Rotate a matrix
Return the first and last characters of a character array
Duplicate each element of a vector.
Integer or Float?
Divide by 4
Calculate roots of polynomial given as vector array.
For given vectors x,y find coresponding spline coefficients.
For given xx,x, y vectors build spline of x and y and find yy values for xx vector.
Solve expression III
Create a square matrix with given conditions
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