Geometry and trigonometry

Trigonometry

The study of relationships among angles, side lengths and periodic functions.

Common notationsin, cos, tan

In one sentence

What does Trigonometry mean?

The study of relationships among angles, side lengths and periodic functions.

How it is written

sin, cos, tan

A compact example

In a right triangle, sin(θ)=opposite/hypotenuse.

Other names and search terms

trig.

Where this fits

When should you learn Trigonometry?

The first encounter is not the final level. Many ideas begin visually, become computational in high school and become formal in college.

  1. 1Pre-high schoolUsually introduced
  2. 2High schoolGreater depth
  3. 3CollegeGreater depth
  4. 4AdvancedGreater depth
Typical subjects
  • Geometry
  • Trigonometry
Know first
  • Arithmetic
  • Measurement
What it unlocks
  • Vectors
  • Waves
  • Coordinate geometry

Clear answers

Questions about Trigonometry

What does Trigonometry mean in mathematics?

The study of relationships among angles, side lengths and periodic functions.

How is Trigonometry written?

A common notation is sin, cos, tan.

What is an example of Trigonometry?

In a right triangle, sin(θ)=opposite/hypotenuse.

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