BASIC 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:

Identify the Sides of Right Triangle- Hypotenuse, Adjacent & Opposite

Trigonometric Functions:
    Sine (includes video)
    Cosine (includes video)
    Tangent (includes video)
    Review of Sine, Cosine and Tangent (includes video)

Evaluate Trigonometric Angles:
    Special Angles 30°, 45°, 60° (includes video)
    Using a Calculator

Inverse Trigonometry

Trigonometry Problems
    Sine Problems (includes video)
    Cosine Problems (includes video)
    Tangent Problems (includes video)

Trigonometry Applications (includes video)

Law of Sines (includes video)

Law of Cosines (includes video)

Unit Circle (includes video)

Trigonometry Graphs (includes video)

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