GeoGebra
  • Home
  • News Feed
  • Resources
  • Profile
  • People
  • Groups
  • App Downloads
About GeoGebra
Contact us: office@geogebra.org
Terms of Service – Privacy – License
Language: English

© 2018 GeoGebra

GeoGebra

sine and cosine of complementary angles.

Author:
abarkema@uni.edu
Topic:
Angles, Cosine, Sine
Angles BAC and BAD are considered to be complementary because their measures add up to 90 degrees. Drag the red diamond (Point B) to change the size of the rectangle.
GeoGebra Applet
Observe how the sine and cosine of both complements change. Which angles are complementary to each other? How are the ratios related to each other? What happens when you adjust the size of the rectangle?

Related Topics

  • Congruence
  • Conic Sections
  • Constructions
  • Coordinates
  • Fractal Geometry

Discover Resources

  • spiral
  • Sivkouch Tang Assignment 2: Bisecting Segments and Angles
  • Simulation (2012 #4)
  • Geometry: Quadrilaterals
  • Two Distances 2 (solution)

Discover Topics

  • Pie Chart or Circle Chart
  • Integral Calculus
  • Normal Distribution
  • Variance
  • Algebra

GeoGebra

  • About
  • Team
  • News Feed
  • Partners

Apps

  • Graphing Calculator
  • Geometry
  • 3D Graphing
  • App Downloads

Resources

  • Classroom Resources
  • Groups
  • Tutorials
  • Help
  • Language: English
  • Terms of Service Privacy License
  • Facebook Twitter YouTube