sin-2a-cos-2a
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| Prove Tan^2A/(tan^2A-1) + cosec^2A/(sec^2A-cosec2A)=1/(sin^2A-cos^2A) |
|
1 | 5734 | July 6, 2019 |
| Tan^2A+tan^2B=(sin^2A-sin^2B)/cos^2A-cos^2B |
|
1 | 1463 | June 29, 2019 |