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

Equation of Locus - Parabola
Making New Year's resolutions for 2026
apec
Volume by Disk/Washer around y
רישום חופשי

Discover Resources

Circle Circumference
Circumcenter - Lindsay Walters
Problem 3.1
MoustakasA_NoolJ_Part1
Equilateral Triangle

Discover Topics

Difference and Slope
Coordinates
Special Points
Similar Triangles
Addition