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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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Ear training: Replaying played notes on the keyboard
In this online exercise on musictheory.net you are supposed to play the note played on the keyboard. You also get the chance to play the reference note (the do) each time to help you.
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Recognize the keyboard: Interval
With this exercise on musictheory.net you will learn to recognize the intervals using the piano keys. You have to link the correct name of the interval to the correct interval on the piano. The intervals covered are:
- a major second (M2) or a minor …
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Recognizing the keyboard: Piano key (2)
With this exercise on musictheory.net you will learn to link the correct piano keys or the correct note image on the piano to the correct note image on the staff.
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Recognizing the keyboard: Piano key (1)
With this exercise on musictheory.net you will learn to recognize the names of the piano keys. You have to link the correct letter name or the correct name of the musical note to the correct piano key.
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Derivative of a Quotient: Exercises
Step by step application of the derivative of a quotient:
- three fully worked out exercises. You click on the arrows to go through everything chronologically or in reverse order;
- three exercises with partially elaborated intermediate steps, by …
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