I) Evaluate using the exact values. showing working I mark each a) 2 sin 30° cos 30° b) cos 150° 2) From a point on top of a building that is 120m tall, the angle of depression of a car is 43.18' How...

I) Evaluate using the exact values. showing working
I mark each
a) 2 sin 30° cos 30°
b) cos 150°
2) From a point on top of a building that is 120m tall, the angle of depression of a car is 43.18' How far is the car from the foot of the building? Answer to the nearest metre. 2 marks
d
T 120 m
3) Find the value of x when sin 3V m cos(x + 28°) given that x is acute.
2 marks