Q. 16

Find the ge

Answer :

Given equations is cos 3x + cos x – cox 2x = 0



2 cos2x cos x – cos 2x = 0


cos 2x( 2cos x – 1) = 0


cos 2x= 0 or 2 cos x – 1 = 0


cos 2x= 0 or cos x = 1/2


where n ϵ Z and Z is set of integers


where n Z and z is set of integers

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses