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

Proof without words: Law of cosinus

Author:Daniel Mentrard
Topic:Trigonometry

http://dmentrard.free.fr/GEOGEBRA/Maths/coslaw1MD.html

http://dmentrard.free.fr/GEOGEBRA/Maths/coslaw1MD.html
http://dmentrard.free.fr/GEOGEBRA/Maths/coslaw1MD.html

New Resources

  • Cosine in Cartesian and Polar Coordinates
  • רישום חופשי
  • Tracing r = 2 cos(θ)
  • 分數化百分數:練習
  • Polar Coordinates Book

Discover Resources

  • equation of circles
  • Probability Calculator
  • Solar System
  • Triangle Congruences

Discover Topics

  • Natural Numbers
  • Mathematics
  • Random Variables
  • Area
  • Power Functions
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®