Question

If sin A = 3/5 and sinB 8/17 then find the value of cos (A-B).​

Answer 1

Answer:

Given sin A = 3 5 35. cos A = − 4 5 −45 cos B = − 8 17 −817, sin B = 15 17 1517 sin(A + B) = sinA cosB + cosA sinB

-84/85

Step-by-step explanation:

Hope it helps...