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

cos(π/n)cos(2π/n)cos(3π/n) ... cos(nπ/n) = ?

Author:羅驥韡 (Pegasus Roe)
Topic:Complex Numbers

New Resources

  • 國旗 (Claude 版)
  • Fibonacci Clock
  • 四邊形的特性
  • 幾何作圖題:切三圓(題目)
  • 中華民國國旗 (Codex╱2026.10.06)

Discover Resources

  • 特別角的三角函數值(1)
  • shihfeng的第一本Geogebra繪本
  • cos(α) + cos(β) + cos(γ) 的對稱性
  • mooc第四讲椭圆反射
  • 線性組合的副本

Discover Topics

  • Geometric Mean
  • Vectors 2D (Two-Dimensional)
  • Constructions
  • LCM and GCD
  • Kite
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

© 2026 GeoGebra®