Trigonometry Problem Solver: Solving Triangles Using the Law Of Cosines
Personal Algebra Tutor ®

Solving Trigonometry Law of Cosines Problems
     - Enter your problem: Sides and Angles
     - Get a Step-by-Step Solution with Explanations
     - The Solver will use the Law of Sines if input requires it.

See also
- Solving Trigonometry Law of Sines Problems
- Solving Trigonometry Right Triangles Problems

Solve Using the Law Of Cosines:
Setup

  1. Enter your given Sides
    and Angles values.

  2. Double Click into the Side or Angle box button
    to select side or angle to be found.

  3. Click on Solve button
    to get the solution.

Takes you to next screen:
Law Of Cosines Solution screen

LawOfSinesSolution

  1. Shows Input Summary

  2. Shows Formula Used:
    Law Of Cosines

  3. Shows Step-by-Step solution
    using Law Of Cosines


Learn more about the Personal Algebra Tutor ™


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Updated April 14, 2008
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