Core Mathematics Grade 10 – Lesson 63 – Semi-perimeter of a Triangle
Semi-perimeter of a Triangle.
Core Mathematics Grade 10 – Lesson 61 – Calculating Triangle Areas Using A = ½ab sin C
Calculating Triangle Areas Using A = ½ab sin C.
Core Mathematics Grade 10 – Lesson 60 – Deriving the Area Formula for a Triangle
Deriving the Area Formula for a Triangle.
Core Mathematics Grade 10 – Lesson 56 – Trigonometric Ratios of the Special Angles 30° and 60°
Derivation of the exact ratios of 30° and 60°.
Core Mathematics Grade 10 – Lesson 57 – Applications Involving Angles of Elevation
Using trigonometry to solve angles-of-elevation problems.
Core Mathematics Grade 10 – Lesson 58 – Applications Involving Angles of Depression
Using trigonometry to solve angles-of-depression problems.
Core Mathematics Grade 10 – Lesson 59 – Constructing and Using a Simple Clinometer
A practical clinometer project for estimating heights.
Core Mathematics Grade 10 – Lesson 51 – Cosine Ratios and Angles Using Mathematical Tables
Reading cosine values and angles from mathematical tables.
Core Mathematics Grade 10 – Lesson 52 – Trigonometric Ratios and Inverse Ratios Using Calculators
Calculator use for sin, cos, tan and inverse ratios.
Core Mathematics Grade 10 – Lesson 53 – Sines and Cosines of Complementary Angles
Relationships between sine and cosine of complementary angles.