Saved Bookmarks
| 1. |
\operatorname { sin } ( A - B ) = \frac { 1 } { 2 } \text { and } \operatorname { cos } ( A + B ) = \frac { 1 } { 2 } , 0 ^ { \circ } < A + B \leq 90 ^ { \circ } , A > B , \text { find } A \text { and } B |
|
Answer» A = 45 degrees and B = 15 degrees. as A-B = 30 and A+B = 60 |
|