This set of resources is designed to help students use trigonometric ratios, find angles and lengths in right-angled triangles in both two and three dimensional figures. Students will use exact values of sine, cosine and tangent for angle values of 00, 300, 450 and 600. Students are also required to use the alternative formula for the area of a triangle, 1/2abSinC. Students will also have the opportunity to apply the sine rule and the cosine rule.

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