Non-Right Triangles

Site: Young Education
Course: Trigonometry
Book: Non-Right Triangles
Printed by: Guest user
Date: Friday, 25 September 2026, 1:07 AM

1. The Law of Sines

Learning outcomes
  • I can apply the Law of Sines to solve triangles.
  • I can identify when the Law of Sines is appropriate.
  • I can solve ambiguous case problems.
  • I can verify triangle solutions.
  • I can apply the Law of Sines in real-world contexts.

2. The Law of Cosines

Learning outcomes
  • I can apply the Law of Cosines to determine unknown sides.
  • I can apply the Law of Cosines to determine unknown angles.
  • I can identify when the Law of Cosines should be used.
  • I can solve practical measurement problems.
  • I can verify my solutions.

3. Area of Triangles

Learning outcomes
  • I can calculate triangle area using trigonometry.
  • I can determine unknown measurements before calculating area.
  • I can compare different methods for finding area.
  • I can solve practical area problems.
  • I can justify my solutions.

4. Bearings and Navigation

Learning outcomes
  • I can interpret compass bearings.
  • I can solve navigation problems.
  • I can apply trigonometry to surveying situations.
  • I can solve problems involving multiple triangles.
  • I can interpret solutions in context.

5. Applications of Non-Right Triangles

Learning outcomes
  • I can model real-world situations using oblique triangles.
  • I can select appropriate solution methods.
  • I can solve engineering and surveying problems.
  • I can communicate mathematical reasoning clearly.
  • I can evaluate the reasonableness of solutions.