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Law of cosines hints and tricks

Law of cosines hints and tricks. By Chandler and Savannah. Use Law of cosines when…. Hint #1. Y ou 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:

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Law of cosines hints and tricks

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  1. Law of cosines hints and tricks By Chandler and Savannah

  2. Use Law of cosines when…

  3. Hint #1 You are given a triangle with three sides (SSS)

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

  5. Hint #3 When you are solving an SAS triangle: • Use the law of cosines first to find the side across from the angle given • Use the law of sines to find the last angle and side of the triangle

  6. Hint #4 When solving an SSS triangle: 1. Always find the angle across from the longest side (hypotenuse) first

  7. Hint #5 When solving an SSS triangle, remember the alternate forms of the law of cosines

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