InterviewSolution
Saved Bookmarks
InterviewSolution
| 1. |
sec ^ { 2 } 10 ^ { \circ } - \cot ^ { 2 } 80 ^ { \circ } + \frac { \sin 15 ^ { \circ } \cos 75 ^ { \circ } + \cos 15 ^ { \circ } \sin 75 ^ { \circ } } { \cos \theta \sin \left( 90 ^ { \circ } - \theta \right) + \sin \theta \cos \left( 90 ^ { \circ } - \theta \right) } |
| Answer» | |