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

A.S.T.C

Author:Ang Wee Kiat
Here you can explore how the sign of the trigonometrical ratios change when the angles are in different quadrants. Remember the acronym "ASTC - All School Teachers Care! :)"

New Resources

  • Cosine in Cartesian and Polar Coordinates
  • दुई-ओटा समुहको संयोजन (Union of two sets)
  • גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
  • Hypocycloids
  • 立体几何-公理3及推论

Discover Resources

  • bug_restart_angle_layer_2_triangles
  • Math snow day
  • To find the point of intersection and angle between line and plane
  • การบวกจำนวนเต็มบวกกับจำนวนเต็มลบ
  • Fibonacci Circles (Theo 2)
  • Persamaan diferensial orde 1

Discover Topics

  • Complex Numbers
  • Normal Distribution
  • Poisson Distribution
  • Linear Equations
  • Straight Lines
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®