PLZ HELP (in hours please)

If f(x) = -2x2 - 3 and g(x) = 3x - 4, then f(g(2))=

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

Find the exact value of sin 3.14/12