Cosθ=−5√6 , where π≤θ≤3π2 . tanβ=43 , where 0≤β≤π2 . What is the exact value of sin(θ+β) ? Enter your answer, as a fraction in simplified form, in the box.

Complete each statement from the information given and the triangle criterion you used. if the triangles cannot be shown to be congruent, leave the box for the second triangle blank and choose for reason “cannot be determined.” carbon - regular hexagon. ∆can ≅ ∆ by