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New posts in cubics
Solving $\cos(3x) = \cos(2x)$
algebra-precalculus
trigonometry
cubics
Cubic formula gives the wrong result (triple checked)
algebra-precalculus
polynomials
roots
cubics
Motivation of Vieta's transformation
algebra-precalculus
soft-question
math-history
cubics
motivation
Is there anything like “cubic formula”?
algebra-precalculus
polynomials
roots
cubics
Where is my error in trying to find Pythagorean triples with matching areas?
algebra-precalculus
polynomials
complex-numbers
cubics
pythagorean-triples
On the trigonometric roots of a cubic
trigonometry
roots
closed-form
roots-of-unity
cubics
What is an example of real application of cubic equations?
algebra-precalculus
applications
cubics
Is there really analytic solution to cubic equation?
cubics
symbolic-computation
Expressing the roots of a cubic as polynomials in one root
polynomials
cubics
splitting-field
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