a right triangle has side lengths 5, 12, and 13 as shown below. Use these lengths to find tanA, sinA, and cosA.​

sin A = 5/13

tan A  = 5/12

cos A  = 12/13

Step-by-step explanation:

sin A = Opp/Hyp = 5/13

tan A = Opp/Adj = 5/12

cos A = Adj/Hyp = 12/13

Hope this helps :)

mrbilldoesmath!

answer: a parabola

steps:

(x-1)(x+4)   = x(x+4) - 1(x+4) = (x^2 + 4x) - (x+4)

                = x^2 +4x -x -4   = x^2 +3x -4

which is a parabola

mrb