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Trigonometric numbers of related angles: GeoGebra applet
A tool to view the relationship between the trigonometric numbers of related angles on the trigonometric circle. You can click which related angle you want to see or which trigonometric numbers you want to see.
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Build a graph of a function: GeoGebra applet
What is the graph of a function? How is it constructed?
You enter a function statement, choose x values and immediately see the corresponding y values being calculated. You can then have the point (x,y) of the graph drawn.Translated by
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Geogebra: Math solver
GeoGebra developed this math solver that solves first and second degree equations step by step and simplifies arithmetic expressions. If you enter an equation, after clicking on the plus icon you can enter a second equation and solve the system …
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Geogebra: Practice math
GeoGebra developed an online practice option: GeoGebra Math practice.
Math Practice is a tool to master algebraic notation. It supports a step-by-step approach to problems, allows you to explore different approaches and supports confidence, fluency …
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Related angles: Visual aid
This interactive unit circle allows students to visualize the trigonometric numbers of related angles in the other quadrants. That can help them simplify trigonometric expressions.
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Trigonometric numbers in the unit circle: GeoGebra applet
This interactive tool can be used to show where the sine, cosine, tangent and cotangent of an angle can be read on the trigonometric circle.
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Related angles in the trigonometric circle: Geogebra applet
In this Geogebra applet the relationship between the trigonometric numbers of related angles is studied. Students can visually determine what these relationships are in a trigonometric circle.
Opposing, (anti)supplementary and (anti)complementary …
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Key figures for 2023: Belgium and Europe
The Key Figures 2023, in the form of graphs, maps and infographics, provide a clear overview of Statbel's statistics and what is happening in Belgium, in the regions and in the municipalities. In this special edition, following the …
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Digital learning in the pandemic: Handbook best practices
During the 2020–2021 academic year, the global pandemic gave the Europeana community of educators the opportunity to become more relevant in their work of integrating digital culture in learning practices and to grow even further. Events …
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The Sierpinski Triangle: Fractals
A fun way to introduce students to fractals. The students can try to make this themselves first by performing this construction process on transparent leaves and then placing them on top of each other. This GeoGebra applet can be used to support …
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Recognizing Curious Lines in Triangles: Geogebra
You practice recognizing curious lines in triangles using GeoGebra.
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Transformations: Properties
With the help of this worksheet the students can discover the properties related to the transformations. It concerns the following transformations:
- reflection,
- shift,
- rotation.
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