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

Derivation of Sum Formulas for Sine and Cosine

Author:
Diane Yeoman, Joseph Manthey
Topic:
Cosine, Sine
Use the slider to view the steps in the derivation of the sum formulas for sine and cosine.

New Resources

  • Bibi Khanum mosque - cross pattern - ks
  • interior - domes - mu
  • A problem on vectors
  • Gur Emir complex - mu
  • Bibi Khanum entrance gate - panel 1 - ks

Discover Resources

  • quads parabolas
  • Question 4
  • رسم الخط المستقيم
  • KRYCHLICE
  • EM 2019 P1 Q18

Discover Topics

  • Fractal Geometry
  • Confidence Interval
  • Integers
  • Quadratic Functions
  • Hyperbola

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