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3.03 Sides and angles of right-angled triangles

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Outcomes

3.2.3.2

apply the tangent, sine and cosine ratios to find unknown angles and sides using tan 𝜃 = 𝑂/𝐴 , sin 𝜃 = 𝑂/𝐻 and cos 𝜃=𝐴/𝐻 [complex]

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