Manual

#### Description:

The Law of Cosines, Example 2. In this Youtube video from patrickJMT, give the formula for the Law of Cosines and use it to find the missing side length of a triangle.Note: There may be a short ad at the beginning.

#### Subjects:

• Mathematics > General
• Mathematics > Geometry

Laws of Cosines

English

#### Access Privileges:

Public - Available to anyone

#### Collections:

Student Resources
Student Resources
Update Standards?

#### CCSS.Math.Practice.MP1: Common Core State Standards for Mathematics

Make sense of problems and persevere in solving them.

#### CCSS.Math.Practice.MP2: Common Core State Standards for Mathematics

Reason abstractly and quantitatively.

#### CCSS.Math.Practice.MP5: Common Core State Standards for Mathematics

Use appropriate tools strategically.

#### CCSS.Math.Practice.MP6: Common Core State Standards for Mathematics

Attend to precision.

#### CCSS.Math.Practice.MP7: Common Core State Standards for Mathematics

Look for and make use of structure.

#### CCSS.Math.Content.HSG-SRT.D.10: Common Core State Standards for Mathematics

(+) Prove the Laws of Sines and Cosines and use them to solve problems.

#### CCSS.Math.Content.HSG-SRT.D.11: Common Core State Standards for Mathematics

(+) Understand and apply the Law of Sines and the Law of Cosines to find unknown measurements in right and non-right triangles (e.g., surveying problems, resultant forces).
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