Question

sinA=5/13 cosB=-3/5 find sin(A-B)=?​

Answer 1

Answer:

HERE IS THE SOLUTION

Step-by-step explanation:

sinA= 5/13

cosB= 3/5

=> sinB= 5/3(since, sin= 1/cos)

NOW,

sinA-sinB=5/13-5/3

=>sin(A-B)=15-60/39

= -45/39