Search
GeoGebra
  • Home
  • Resources
  • Profile
  • Classroom
  • App Downloads

Learning Goals

Author:Katie Akesson
  • I can explain why knowing 1 acute angle in a right triangle determines the ratio of the side lengths.
  • I understand that the right triangle side length ratios have specific names: sine(Ɵ), cosine(Ɵ), tangent(Ɵ).
  • I can use technology to find the value of sine(Ɵ), cosine(Ɵ), tangent(Ɵ).

New Resources

  • Adding Decimal Numbers and Shortest Path Strategies
  • दुई-ओटा समुहको संयोजन (Union of two sets)
  • רישום חופשי
  • 立体几何-公理3及推论
  • Nikmati Keunggulan Di Bandar Judi Terpercaya

Discover Resources

  • Polynomials
  • The basic hyperbola
  • Cyclic Quadrilateral 1
  • Rolle's Theorem and Mean Value Theorem
  • Different nets of a cube

Discover Topics

  • Equilateral Triangles
  • Correlation
  • Multiplication
  • Complex Numbers
  • Random Experiments
AboutPartnersHelp Center
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteMath Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2025 GeoGebra®