Jeremy has to chose his classes for next year. There is a 95% chance he will take English and an 80% chance he will take both English and astronomy. What is the probability that he takes astronomy given that he takes English?

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