The cosine (cos) function takes ... that 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 and paper ...
1monon MSN
Determine : (i) sin A, cos A (ii) sin C, cos C Sol. In triangle ΔABC with right angle at B, ∠B = 90° Given: AB = 24 cm and BC ...
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