Answer:
Step-by-step explanation:
Sinθ = opp/hyp
Sinθ = 12/13
θ = ArcSin (12/13)
θ =67.38
Let x = adj
Tan (67.38) = 15/x
2.4= 15/x
x2.4= 15
x=6.25
Therefore the missing value is 6.25
