Saved Bookmarks
| 1. |
\frac \operatorname sec ^ 2 54 ^ \circ - \operatorname cot ^ 2 36 ^ \circ \operatorname cosec ^ 2 57 ^ \circ - \operatorname tan ^ 2 33 ^ \circ %2B 2 \operatorname sin ^ 2 38 ^ \circ \cdot \operatorname sec ^ 2 52 ^ \circ - \operatorname sin ^ 2 45 ^ \circ |
| Answer» | |