Question 312364
use a right triangle for a template


for angle A (the angle whose sin is 7/9) ; the side opposite the angle is 7 and the hypotenuse is 9


using Pythagoras, find the other side (adjacent to A) ___ x^2 = 9^2 - 7^2 = 32 ___ x = 4√2


cot(A) = adjacent / opposite = (4√2) / 7