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GeoGebra
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Writing y=acosx-bsinx as y=Rcos(x+a)
Author:
Mark Willis
Move the siders a and b to see the change in R and alpha
GeoGebra
New Resources
A retro cityscape with mathematics
Parallel or Not? (V2)
Stairs (Optical Illusion)
Play C3 E3 G3 C4_C4
Angles and Intersecting Lines: Quick Investigation
Discover Resources
Epicycle of a planet.
Task 3 -4
Pythagorean Theorem Demo
Thm 3-8
การบวกจำนวนเต็มบวกกับจำนวนเต็มลบ
Discover Topics
Planes
Similar Triangles
Standard Deviation
Differential Calculus
Sphere