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

apec
Constructing the Midpoint and the Perpendicular Bisector of a Segment
探究長方形對角線上的正方形數目
Constructing the Perpendicular Line Through a Point on the Line
רישום חופשי

Discover Resources

Decision Maths - Graphs
Parking Spaces
Distance #1
Reuleaux Triangle의 복사본
Coordinate Proof: IM Geo.6.14

Discover Topics

Expected Value
Real Numbers
Tree Diagrams
Arithmetic Operations
Plane Figures or Shapes