Saved Bookmarks
| 1. |
Solve:tan2^x+sec^2x=3 |
| Answer» Tan^2x+1+tan^2x=3 by sec^2x=1+tan^2x2tan^2x+1=32tan^2x=2tan^2x=1tan^2x=tan^2 45°On comparingx=45° | |