(X+3)(x+7) X+7
————— = ——
(X-3)(x+3) X-3
The correct answer is #2: 6,2 9,3 12,4 because all of these answers equal 1/3
One possible system of two equations is ...
x = -2
y = -3 .
Use the pic and solve the COS x-sin x/COS x+ sin x part
comment if there's something u don't understand