What is the trigonometric ratio for sin S as a simplified fraction?
sin (S) = opposite / hypotenuse
sin (S) = QR / 68
To find the length of QR, we can use the Pythagorean theorem.
QR2 + 602 = 682
QR2 = 682 - 602
QR = √682−602=√4624−3600=√1024=32
So..
sin (S) = 3268=817 :)