Given sin(x)=3/7 where (pi)/2

Name: Given sin x and cos y find exact value for sin(x+y)
Uploaded: 2021-01-22T22:28:38+00:00
Duration: 3 min 28 s
Description: Answer by Doug C. to Given sin(x)=3/7 where (pi)/2<x<(pi) and cos(y)=-(2/5) where (pi)<y<3(pi)/2. Determine the exact value of sin(x+y) Please show as many steps as possible