Arectangle prism has a length of 1/2 inches, a width of 2 inches and a height of 3 1/2 inches how many cubes with side lengths of 1/2 inches will fit into the prism?

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