GeoGebra
GeoGebra
  • Home
  • News Feed
  • Resources
  • Profile
  • People
  • Classroom
  • App Downloads
About GeoGebra
Contact us: office@geogebra.org
Terms of Service – Privacy – License

© 2023 GeoGebra

Exploring cosine in a 30,60,90 triangle

Author:
mathsurgery.wikispaces
Topic:
Cosine, Trigonometry
Exploring the relationship between the adjacent length and the hypotenuse in a 30,60,90 triangle.

New Resources

  • Linear Functions - The Basics
  • Umbrella Holder
  • Slanted or Curved Lines?
  • Arc Length and Sector Area
  • Mapping Rectangles into Discs

Discover Resources

  • MatrixOPCAS
  • Niru Kumar Euler's Line Project Honors Geometry
  • J.G.
  • (cos x) - Periodicity and other simple properties of functions
  • Hình 76b trang 71

Discover Topics

  • Unit Circle
  • Geometry
  • Differential Calculus
  • Secant Line or Secant
  • Median Value

GeoGebra

  • About
  • Partners
  • GeoGebra on Tests
  • News Feed
  • App Downloads

Apps

  • Calculator Suite
  • Graphing Calculator
  • 3D Calculator
  • CAS Calculator
  • Scientific Calculator

Resources

  • Classroom Resources
  • Learn GeoGebra
  • Classroom
  • Geometry
  • Notes
  • Terms of Service Privacy License
  • Facebook Twitter YouTube