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Trigonometry For Dummies(R)

Paperback, 18/03/2014, £15.99
A plain-English guide to the basics of trig Trigonometry deals with the relationship between the sides and angles of triangles. mostly right triangles. In practical use, trigonometry is a friend to astronomers who use triangulation to measure the distance between stars.

Sustainable Education

Paperback, 01/01/2001, £7.00
This Briefing shows how a systemic change of educational culture towards the realization of human potential and the interdependence of social, economic and ecological wellbeing-- can lead to transformative learning.