Table of contents
- 0. Review of College Algebra(0)
- 1. Measuring Angles(0)
- 2. Trigonometric Functions on Right Triangles(0)
- 3. Unit Circle(0)
- 4. Graphing Trigonometric Functions(0)
- 5. Inverse Trigonometric Functions and Basic Trigonometric Equations(0)
- 6. Trigonometric Identities and More Equations(0)
- 7. Non-Right Triangles(0)
- 8. Vectors(0)
- 9. Polar Equations(0)
- 10. Parametric Equations(0)
- 11. Graphing Complex Numbers(0)
7. Non-Right Triangles
Law of Cosines
7. Non-Right Triangles
Law of Cosines: Study with Video Lessons, Practice Problems & Examples
Back to all problems
14PRACTICE PROBLEM
Find the missing side length and angles of the triangle. Express the lengths to one decimal place and the angle to the nearest degree.
p = 7, r = 3, Q = 40°
Find the missing side length and angles of the triangle. Express the lengths to one decimal place and the angle to the nearest degree.
p = 7, r = 3, Q = 40°