How To ACTUALLY Solve a Cubic Equation using Trigonometry
Автор: The Learning Studio
Загружено: 2020-06-15
Просмотров: 33766
Описание:
This is a really nice method for solving cubic equations with three real roots! The method involves using the triple angle formula for cosine or sine and then solving a related trigonometric equation: all fairly elementary methods.
Worked example: 8:45
Textbook available at https://thelearningstudioaustralia.co...
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