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How to find the missing parts of two triangles using Law of Sines ambiguous case

πŸ‘‰ Learn how to determine if a given ssa triangle has 1, 2 or no possible triangles. Given two adjacent side lengths and an ...
YouTube on MSNOpinion

How to use Law of Cosines to find the missing angles of a triangle given SSS

Learn how to solve for the lengths of the sides and the measures of the angles of a triangle using the law of cosines. The ...
BBC

Higher – Sine rule

Find an unknown side using \(\frac{π‘Ž}{sin𝐴} \) = \(\frac{𝑏}{sin𝐡} \) = \(\frac{𝑐}{sin𝐢 } \) Find an unknown angle using \(\frac{sin𝐴}{π‘Ž ...
BBC

Higher – Cosine rule

There are two versions of the cosine rule: Find an unknown side using π‘Ž² = 𝑏² + 𝑐² – 2𝑏𝑐 cos𝐴 Find an unknown angle using cos𝐴 = \(\frac{𝑏² + 𝑐² – π‘Ž²}{2𝑏𝑐}\) Scientific calculators need to ...