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History of trigonometry

A three-part history of the origins of trigonometry.

Additional details
Year level(s)	Year 9
Audience	Teacher
Purpose	Content knowledge
Format	Web page
Keywords	Pythagoras, hypotenuse, adjacent, opposite, tangent, cosine, sine, angle, ratio, similar, trigonometry, right-angled triangle
Curriculum alignment
Curriculum connections	Critical and creative thinking, Numeracy
Strand and focus	Space
Topics	Pythagoras and trigonometry
AC: Mathematics (V9.0) content descriptions	AC9M9SP02 Apply the enlargement transformation to shapes and objects using dynamic geometry software as appropriate; identify and explain aspects that remain the same and those that change AC9M9M03 Solve spatial problems, applying angle properties, scale, similarity, Pythagoras' theorem and trigonometry in right-angled triangles
Numeracy progression	Understanding geometric properties (P7) Proportional thinking (P7) Understanding units of measurement (P10)
Copyright details
Organisation	NRICH
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