Which of the following are tangents to the circle $x^2+y^2-6x-2y-15=0$ which are parallel to the line $3x+4y+20=0$?

Question

$(1)\; 3x+4y-38 = 0$

$(2)\; 3x-4y-38 = 0$

$(3)\; 3x+4y+12 = 0$

$(4)\; 3x-4y-12 = 0$