Solve the equation on the interval 02PI 2 COS 3THETA 1Soluti
Solve the equation on the interval [0,2PI]: 2 COS (3THETA) =1
Solution
0<=<=2pi
=>0<=3<=6pi
2cos(3)=1
cos3 =1/2
3 =pi/3 ,5pi/3 ,7pi/3,11pi/3,13pi/3,17pi/3
=pi/9 ,5pi/9 ,7pi/9,11pi/9,13pi/9,17pi/9
![Solve the equation on the interval [0,2PI]: 2 COS (3THETA) =1Solution0<=<=2pi =>0<=3<=6pi 2cos(3)=1 cos3 =1/2 3 =pi/3 ,5pi/3 ,7pi/3,11pi/3,13pi/ Solve the equation on the interval [0,2PI]: 2 COS (3THETA) =1Solution0<=<=2pi =>0<=3<=6pi 2cos(3)=1 cos3 =1/2 3 =pi/3 ,5pi/3 ,7pi/3,11pi/3,13pi/](/WebImages/9/solve-the-equation-on-the-interval-02pi-2-cos-3theta-1soluti-1000705-1761515458-0.webp)