+0

Am I right

0
76
1
+303

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

4cos^2 x−2cosx=0

Select all correct solutions.

Jan 21, 2021

#1
+11086
+2

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

Hello Guest!

The correct solution set is

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

!

Jan 21, 2021