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Introduction to trigonometry
These lesson plans guide the teacher on how to introduce trigonometry to students through an investigation of similar triangles.
Additional details |
|
| Year level(s) | Year 9 |
|---|---|
| Audience | Teacher |
| Purpose | Teaching resource, Student task |
| Format | Web page |
| Teaching strategies and pedagogical approaches | Mathematics investigation |
| 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
AC9M9SP01
Recognise the constancy of the sine, cosine and tangent ratios for a given angle in right-angled triangles using properties of similarity |
| Numeracy progression |
Proportional thinking (P7)
Understanding geometric properties (P7) Understanding units of measurement (P10) |
Copyright details |
|
| Organisation | BetterLesson |
| Copyright | © Beth Menzie. Creative Commons BY-NC 4.0. |
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