seca-tana
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| If secA+tanA=p Prove sinA=p^2-1/(p^2+1) |
|
1 | 1174 | July 12, 2019 |
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| If secA+tanA=p Prove sinA=p^2-1/(p^2+1) |
|
1 | 1174 | July 12, 2019 |