CSEC Mathematics · May/June 2015 · Paper 1 · Question Q60
Item 60 refers to the diagram of a building below.
A surveyor sets up his instruments 12\text{ metres} from the foot of a building, and records the angle of elevation of the top of the building.
An estimate of the height of the building is obtained by calculating
- (A)
12\tan 40^\circ - (B)
12\sin 40^\circ - (C)
1.6 + 12\cos 40^\circ - (D)
1.6 + 12\tan 40^\circ
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