Answer:
SinB = 8/17
Explanation:
sinB = Opposite/Hypotenuse
Here we have to find the opposite side using the Pythagorean theorem.
AB^2 = AC^2 + BC^2
17^2 = AC^2 + 15^2
AC^2 = 17^2 - 15^2
AC^2 = 289-225
AC^2 = 64
Taking the square root on both sides, we get
AC = 8
Opposite side = 8
SinB = 8/17