Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES)
If `sinA/sinB=sqrt3/2 and cosA/cosB =sqrt5/2`, `0<A,B<pi/2`, then `tan A +tan B` is equal to
A. |
`sqrt3/sqrt5` |
B. |
`sqrt5/sqrt3` |
C. |
1 |
D. |
`(sqrt5+sqrt3)/sqrt5` |
![]() |