If α\alphaα and β\betaβ are acute angles such that sin(α)=5/13\sin(\alpha) = 5/13sin(α)=5/13 and sin(β)=4/5\sin(\beta) = 4/5sin(β)=4/5, what is cos(α+β)\cos(\alpha + \beta)cos(α+β)?
16/65
-16/65
33/65
-33/65