prove that cos^8 A -sin^8 A =(cos^2 A - sin^2 A)(1-2sin^2A cos^2 A)
Asked by | 20th Sep, 2012, 10:11: PM
Expert Answer:

Answered by | 20th Sep, 2012, 11:12: PM
Related Videos
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Sign Up
Verify mobile number
Enter the OTP sent to your number
Change