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

Snake year !
Constructing Equilateral Triangles + Activities
Monge's Theorem
Trophy (version 2)
Pendulum Snake

Discover Resources

Beşgen Çizimi (Drawing Pentagon)
geogebra1
solid of revolution, disc 2
IM2 Sample Visual Proof
Plan2. Parallel

Discover Topics

Polygons
Isosceles Triangles
Linear Regression
Real Numbers
Parabola