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Precalculus
»
D.
Trigonometric Functions
»
D.7.
Law of Cosines
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Solving triangles using the Law of Cosines
Overview
Solve a triangle given three sides – SSS
Solve a triangle given two sides and the included angle – SAS
Word Problems – Find the distance
Word Problems – Find the angle
Heron’s Area Formula
Overview
Find the area of the triangle using Heron’s formula
Word Problems – Find the area
Solving triangles using the Law of Cosines — Solve a triangle given two sides and the included angle – SAS
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