Saved Bookmarks
| 1. |
In a ΔABC, 11+tan2A2+11+tan2B2+11+tan2C2=k[1+sinA2sinB2sinC2], then the value of k is |
|
Answer» In a ΔABC, 11+tan2A2+11+tan2B2+11+tan2C2=k[1+sinA2sinB2sinC2], then the value of k is |
|