Question

3) If sin A = -5/13
.,π <A<3π\2
and
cos B = 3/5, 3/5 <B< 2π
find i) sin (A+B) ​

Answer 1

Answer:

3) If sin A = -5/13

.,π <A<3π\2

and

cos B = 3/5, 3/5 <B< 2π

find i) sin (A+B) .....

Answer 2

Answer:

thanks for point.....