49 60 Evaluate each limit 4x 10 49 lim x2 V 2x 51 lim X T cos x 3 cos x 2 cos x 1 53 lim 7 x 3 55 lim 57 lim sin x 1 2 Vsin x 1 2 cos x 1 x 0 sin x 1 59 lim 2 0 1 50 lim x 4 x 9 x 1 52 lim X 3 2 54 lim 56 lim 0 0 X 1 5 21 V 5 1 2 58 lim x 0 60 lim sin x 6 sin x 5 sin x 1 1 2 sin 0 sin 0 1 cos x sin x In x 5 ln x 6 In x 2