maths 0.0 / 5 ? MathematicsTrigonometry and radiansA2/A-levelAQA Created by: Sam LoftCreated on: 03-05-21 19:29 what is the cosine rule for sides? a^2 = b^2 + c^2 - 2bc cos(A) 1 of 5 What is the cosine rule for angles? b^2 +c^2 - a^2 cos(A) = ----------------- 2 b c 2 of 5 s s 3 of 5 s s 4 of 5 s s 5 of 5
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