poajwene poajwene

07-01-2021
Mathematics

contestada

Find all solutions to the equation.
cos^2 x + 2 cos x + 1 = 0

Respuesta :

mahahoor29427 mahahoor29427

07-01-2021

Answer:

x = [tex]\pi +2\pi n[/tex]

Step-by-step explanation:

Radian: [tex]\pi + 2 \pi n[/tex]

Degree: x = 180 degree, 360 degree

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