TRIGONOMETRY
The word ‘trigonometry’ means ‘triangle measurement’.
Trigonometry is an important tool for evaluating measurements of height and distance. It plays an important role in surveying, navigation, engineering, astronomy and many other branches of physical science.
Trigonometry involves the ratios of the sides of right triangles. The three ratios are called tangent, sine and cosine.
These lessons on trigonometry will include the following topics:
Basic Trigonometry
Identify the Sides of Right Triangle- Hypotenuse, Adjacent & Opposite (includes video)
Trigonometric Functions: (includes video)
Sine (includes video)
Cosine (includes video)
Tangent (includes video)
Review of Sine, Cosine and Tangent (includes video)
Secant, Cosecant, Cotangent
(includes video)
Co-Functions
(includes video)
Evaluate Trigonometric Angles:
Special Angles 30°, 45°, 60° (includes video)
Using a Calculator (includes video)
Inverse Trigonometry (includes video)
Degrees and Radians (includes video)
Applications of Trigonometry
Trigonometry Problems
Sine Problems (includes video)
Cosine Problems (includes video)
Tangent Problems (includes video)
Trigonometry Applications (includes video)
Angle of Elevation and Depression (includes video)
Area of Triangle using the Sine Function (includes video)
Law of Sines or Sine Rule (includes video)
Law of Cosines or Cosine Rule (includes video)
Trigonometry in the Cartesian Plane
Angles at Standard Position and Coterminal Angles (includes video)
Unit Circle (includes video)
Reference Angle (includes video)
Trigonometric Ratios in the Four Quadrants (includes video)
Trigonometric Functions in the Cartesian Plane (includes video)
Degrees and Radians (includes video)
Graphs of Trigonometric Functions
Trigonometry Graphs (includes video)
Sine Graph (includes video)
Cosine Graph (includes video)
Tangent Graph (includes video)
Transformation of Trigonometric Graphs (includes video)
Trigonometric Identities
Trigonometic Identities (includes video)
Using Trigonometric Identities to Simplify Expressions (includes video)
Sum and Difference Identities (includes video)
Double-Angle and Half-Angle Formulas (includes video)
Trigonometric Equations (includes video)
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