lesson
Finding Exact Values of Trigonometric Ratios
Determine exact trigonometric values for special angles (30°, 45°, 60°) using special triangles.

Determine exact trigonometric values for special angles (30°, 45°, 60°) using special triangles.
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9th Grade · Math · Australian Curriculum
7 lessons
Recognise the constancy of the sine, cosine and tangent ratios for a given angle in right-angled triangles using properties of similarity.