Asked by Allie

Solve the equation 2 cos(x)+1=0, 0<=x<=2pi. Show all of your work.
Answered by Ms Pi 3.14159265358979323
youtube.com/watch?v=3boFFlAHkT0
This youtube does your exact question : )
I would do it in degrees, this is done in the radians you need : )
Answered by Allie
Thank you!!
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