Classroom | Trigonometry: Using the Law of Cosines to Solve Triangles | Video Math Teacher

Trigonometry: Using the Law of Cosines to Solve Triangles

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Watch the introductory video for the sample problem of this lesson.

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Practice Solving the problems.
Print the worksheet and work through each problem.
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1

Solve triangle ABC using the Law of Cosines and the Law of Sines

Play VideoSee Video Solution (7:29)Difficulty: 3Type: Problem
2

Solve triangle ABC using the Law of Cosines and the Law of Sines

Play VideoSee Video Solution (8:09)Difficulty: 3Type: Problem
3

Solve triangle ABC using the Law of Cosines and the Law of Sines

Play VideoSee Video Solution (7:53)Difficulty: 3Type: Problem
4

Solve triangle ABC using the Law of Cosines and the Law of Sines

Play VideoSee Video Solution (9:49)Difficulty: 3Type: Problem
5

Solve triangle ABC using the Law of Cosines and the Law of Sines

Play VideoSee Video Solution (8:07)Difficulty: 3Type: Problem
6

Solve triangle ABC using the Law of Cosines and the Law of Sines

Play VideoSee Video Solution (7:27)Difficulty: 3Type: Problem
7

Solve triangle ABC using the Law of Cosines and the Law of Sines

Play VideoSee Video Solution (10:34)Difficulty: 3Type: Problem
8

Solve triangle ABC using the Law of Cosines and the Law of Sines

Play VideoSee Video Solution (8:24)Difficulty: 3Type: Problem
9

Solve triangle ABC using the Law of Cosines and the Law of Sines

Play VideoSee Video Solution (8:46)Difficulty: 3Type: Problem
10

Solve triangle ABC using the Law of Cosines and the Law of Sines

Play VideoSee Video Solution (9:26)Difficulty: 3Type: Problem
11

Solve triangle ABC using the Law of Cosines and the Law of Sines

Play VideoSee Video Solution (10:33)Difficulty: 3Type: Problem
12

Solve triangle ABC using the Law of Cosines and the Law of Sines

Play VideoSee Video Solution (7:45)Difficulty: 3Type: Problem
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Watch the solution videos to see which problems you go right on the worksheet. Watch and understand the step-by-step solution videos to the problems you did not answer correctly and see if you can understand where you made mistakes.