The sides of right-angled triangles are labelled opposite, hypotenuse and adjacent. Trigonometry explores the relationship between sides and angles in right-angled triangles. The hypotenuse is the ...
Trigonometry ratios, sine, cosine and tangent can be used to calculate lengths of sides and sizes of angles in right-angled triangles. The labels given to the other two sides, opposite and adjacent, ...
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