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Unit 21
Pythagoras, angles of elevation and
depression, three dimensional
geometry
Objectives
On completion of this unit you should understand:
1. The theorem of Pythagoras.
2. Angles of elevation and depression
3. Three dimensional problems involving Pythagoras and the sine
and cosine rules.
Written and produced by © Stafford College 1993
Cook, M. and Rimmer, H. (1993),
Stafford College, Earl Street, Stafford, ST16 2QR
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