Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom
GeoGebra
  • Home
  • Resources
  • Profile
  • Classroom
  • App Downloads

A way to prove tg(2x)=(2tg(x))/(1-tg^2x)

Author:Ali Jradi
Topic:Trigonometry

New Resources

  • רישום חופשי
  • z`]]
  • Graphical solution of ax² + bx + c = k
  • Triangle Flexer
  • Average Distance

Discover Resources

  • testing pythagorean
  • graph
  • Tessellation_1
  • Object Bouncing Around a Circular Table
  • Where to Sit?
  • Practice-Graph Asec(pi/Bx)

Discover Topics

  • Volume
  • Geometric Transformations
  • Random Experiments
  • Logarithmic Functions
  • Tangent Function
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®