If sin B=0.5 in the triangle shown, what is an expression for AB?

In the case when the sin B=0.5 in the triangle so the expression for AB is to be considered as the [tex]3x^3[/tex].
Since it is mentioned that sin B=0.5
And, AC = 3x
So AB be like [tex]3x^3[/tex]
hence, In the case when the sin B=0.5 in the triangle so the expression for AB is to be considered as the [tex]3x^3[/tex].
Learn more about triangle here: https://brainly.com/question/24891826