Hello Rajat
Please check Example 29 Chapter 3 Class 11 Trignometry here https://www.teachoo.com/2233/586/Example-29---Prove-cos2-x---cos2-(x---pi-3)---cos2-(x---pi-3)/category/Examples/
Written on Sept. 6, 2017, 5:41 p.m.
Hello Rajat
Please check Example 29 Chapter 3 Class 11 Trignometry here https://www.teachoo.com/2233/586/Example-29---Prove-cos2-x---cos2-(x---pi-3)---cos2-(x---pi-3)/category/Examples/
Written on Sept. 6, 2017, 5:41 p.m.