movie_detective
Member
- Joined
- Apr 11, 2011
- Messages
- 32
- Gender
- Undisclosed
- HSC
- 2012
Hey all,
For this question: sec(2A) + tan(2A)= cos(A) + sin(A) /cos(A) -sin(A), I'm just wondering if it is possible to obtain the answer without cross multiplying at one stage or another ? e.g only working on the left side .
Thx for helping
For this question: sec(2A) + tan(2A)= cos(A) + sin(A) /cos(A) -sin(A), I'm just wondering if it is possible to obtain the answer without cross multiplying at one stage or another ? e.g only working on the left side .
Thx for helping