Sorry for bad quality but can anyone help plz will mark brainliest.

Which of the following is the true for f(x) = 5cos

The focus of a parabola is (-4,-5) and its directrix is y=-1 find the equation

Use the given information to determine the exact trig value. cot theta = -square root of 5 / 2 , pi/2 < theta < pi, tan theta a.) - square root of 5 / 5 c.) - 2 square root of 5 / 5 b.) - square root of 5 / 2 d.) the answer isn't d, it was incorrect