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Solve the equation on the interval [0,2π).

4cos^2 x−2cosx=0

Select all correct solutions.

 Jan 21, 2021
 #1
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+2

What is the general solution to the equation?
tanθ=2sinθtanθ

 

Hello Guest!

 

The correct solution set is

\(L=\{-\dfrac{5}{3}\pi ,-\dfrac{3}{2}\pi ,-\dfrac{\pi}{2} ,-\dfrac{\pi}{3} ,\dfrac{\pi}{3} ,\dfrac{\pi}{2} ,\dfrac{3}{2}\pi ,\dfrac{5}{3}\pi \} \)

laugh  !

 Jan 21, 2021

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