How to solve a quadratic that needs complex

Rowan Callahan

Rowan Callahan

Answered question

2022-03-30

How to solve a quadratic that needs complex numbers?
x22xcos(α)+1

Answer & Explanation

ineditablesdmx0

ineditablesdmx0

Beginner2022-03-31Added 9 answers

Rewrite as cos(α)±sin2α1
=cos(α)±isinα
Note: 1) sin2x=1cos2x
2) Correction in quadratic formula

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