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Perspective and views according to the American method
With these figures you can learn the different perspectives. The front, side and top views are clarified by means of the colors used.
You see the cavalry, dimetric, and isometric perspective.
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Image (3)Teacher, ICT co-ordinator, … -
The order of operations
This is a song to remember the order of operations.
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Audio (11)Teacher -
Trigonometric formulas for the double angle
To much to listen to the formulas for sine, cosine and tangent of the double corner and so better to learn outside.
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AudioTeacher