LRMDS

Mathematics 9: Module 7 - Triangle Trigonometry 5988


Description This module discusses the concepts of trigonometry and its application to real-life problems.
Keywords acute, adjacent, depression, elevation, clinometer, cosecant, cosine, cotangent, hypotenuse, sine, ratio, secant, tangent, K to 12
Resource Location Department of Education - Central Office
Language English
Primary Media Textbook
Primary Storage Digital

Mathematics 9: Module 7 - Triangle Trigonometry 5988


Material Curriculum
Education Type K to 12
Grade Grade 9
Learning Area Mathematics
Content/Topic Mathematics (Geometry)
Content Standards demonstrates understanding of key concepts of parallelograms and triangle similarity
Performance Standards investigate, analyze, and solve problems involving parallelograms and triangle similarity through appropriate and accurate representation
Objectives 1. Illustrate the six trigonometric ratios.
2. Apply trigonometric ratios to solve right triangles given the length of the hypotenuse and the length of one leg, the length of the hypotenuse and one of the acute angles, the length of one leg and one of the acute angles, and the length of both sides.
3. Determine trigonometric ratios involving special angles.
4. Compute the numerical values of trigonometric expressions involving special angles.
5. Illustrate angles of elevation and angles of depression.
6. Distinguish between angle of elevation and angle of depression.
7. Solve problems involving angles of elevation and depression.
8. Use the trigonometric ratios in solving real-life problems involving right triangles.
9. Illustrate the laws of sines and cosines.
10. Solve problems involving oblique triangles.
Intended Users Learners
Students
Accessibility None
Resource Type Learning Materials

Mathematics 9: Module 7 - Triangle Trigonometry 5988


Copyright Owner Department of Education
Conditions of Use Reproduce, Use, Copy, Print