Asked by khushal305 | 29th Sep, 2009, 08:50: PM
We have not understood the query that you have posted. We would request you to clarify whether it is cos square or cos 2
cos2 θ - sin2 θ = tan2 Φ , prove that cos Φ = 1 .
2 cos θ
so that we may answer this to the best of the ability.
Answered by | 25th Nov, 2009, 11:23: AM
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Verify mobile number
Enter the OTP sent to your number