Use Newton's method to find the root of cos x = x- correct to six decimal places starting with x = 1. (6 marks) t of A v B T Go U S X2 X 2 Ff F D C 88 88 > X AUG 8 "tv MacBook AirTwo highways intersect at a right angle. A bus crosses the intersection, travelling highway 1 at a constant speed of 60 km/h. At the same instant, a truck is 5 km north of the intersection, travelling towards the intersection at a constant speed of 80 km/h. a) Find the time when the two vehicles are closest to each other. (7 marks) b) Find the distance between them at the time they are closest to each other. (3 marks) - a HW2 AUG 8 City