Law of cosines hints and tricks

Law of cosines hints and tricksBy Chandler and Savannah

Use Law of cosines whenHint #1 You are given a triangle with three sides (SSS)

Hint #2 You are given a triangle with two sides and an included angle (SAS)

Hint #3 When you are solving an SAS triangle: Use the law of cosines first to find the side across from the angle givenUse the law of sines to find the last angle and side of the triangleHint #4 When solving an SSS triangle:1. Always find the angle across from the longest side (hypotenuse) firstHint #5 When solving an SSS triangle, remember the alternate forms of the law of cosines

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