Respuesta :

Answer:

[tex]\frac{\sqrt{11}}{6}[/tex]

Step-by-step explanation:

formula : cos²θ + sin²θ = 1  

then  sin²θ = 1 - cos²θ

then sin²θ = 1 - (5/6)²

then sin²θ = 1 - 25/36

                 = (36 - 25)/36

                 = 11/36

sin²θ = 11/36 ⇒ sinθ = √(11)/6 = =0.552770798393