The trigonometric ratios sine, cosine and tangent are used to calculate angles and sides in right angled triangles. We are now going to extend trigonometry beyond right angled triangles and use it ...
can be used to find a missing angle in a right ... contains both \(o\) and \(h\) is the sine (sin) ratio. Practise finding angles in right-angled triangles with this quiz. You may need a pen ...
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