Question

If A and B are obtuse angles such that sin A =5/13. cos B=-4/5.find tan (A+B)​

Answer 1

Answer:

sin A =5/13 cos B=4/5

Step-by-step explanation:

so tan (A+B) (5/13 + 4/5). 25/ 52 so there fore answer for that question is tan a+b = 25 by52