# Self-Learning Modules - Quarter 4 - Mathematics: Grade 9, Modules 1 to 9

Self Learning Module  |  ZIP

Published on 2022 August 4th

Description
Contents: 1. Mathematics ,Grade 9, Quarter 4 - Module 1: Trigonometric Functions (SOH-CAH-TOAH). 2. Mathematics ,Grade 9, Quarter 4 - Module 2: Trigonometric Functions (csc, sec, cot). 3. Mathematics ,Grade 9, Quarter 4 - Module 3: Trigonometric Ratios of Special Angles. 4. Mathematics ,Grade 9, Quarter 4 - Module 4: Angle Of Elevation. 5. Mathematics ,Grade 9, Quarter 4 - Module 5: Angle Of Depression. 6. Mathematics ,Grade 9, Quarter 4 - Module 6: Problems Involving Right Triangles. 7. Mathematics ,Grade 9, Quarter 4 - Module 7: Law of Sines and Its Applications. 8. Mathematics ,Grade 9, Quarter 4 - Module 8: The Law of Cosines and Its Applications. 9. Mathematics ,Grade 9, Quarter 4 - Module 9: Solve Problems Involving Oblique Triangles.
Objective

#### Curriculum Information

 Education Type K to 12 Grade Level Grade 9 Learning Area Mathematics Content/Topic Geometry Intended Users Educators, Learners Competencies Identifies quadrilaterals that are parallelograms Determines the conditions that make a quadrilateral a parallelogram Uses properties to find measures of angles sides and other quantities involving parallelograms Proves theorems on the different kinds of parallelogram rectangle rhombus square Proves the midline theorem Solves problems involving parallelograms trapezoids and kites Describes a proportion Applies the fundamental theorems of proportionality to solve problems involving proportions Illustrates similarity of figures Proves the conditions for similarity of triangles Applies the theorems to show that given triangles are similar Solves problems that involve triangle similarity and right triangles Illustrates the six trigonometric ratios sine cosine tangent secant cosecant and cotangent Finds the trigonometric ratios of special angles Illustrates angles of elevation and angles of depression Uses trigonometric ratios to solve reallife problems involving right triangles Illustrates laws of sines and cosines Solves problems involving oblique triangles