The inequality, Eq(cos(x**3), 0), cannot be solved using solve_univariate_inequality.

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Andreea Oana 2022-1-30

Hi! I'm having issues on the following program:

syms x;
solve(cos(x^3), x>0);

It just keeps throwing this error:

The inequality, Eq(cos(x**3), 0), cannot be solved using

solve_univariate_inequality.

What's going on in my code? Thank you!

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The inequality, Eq(cos(x**3), 0), cannot be solved using solve_univ​ariate_ine​quality.