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08-05-2020
Mathematics

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What is/are the exact solutions for the equation 2cos^2x+3cosx+1=0 on the intercal (0,2pi)

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22stolc 22stolc

08-05-2020

Answer:

x = [tex]\frac{2\pi }{3}[/tex] and [tex]\frac{4\pi }{3}[/tex]

Step-by-step explanation:

I graphed the equation below.

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