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No. of items: 467
Rating: 
Last updated: Dec 30, 2000
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Privacy policy 
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Due to SuperMemo Library being moved to a new server, you can currently order this collection only as a subset of one of the mixes from Super Memory Store that are listed in the Order as part of... section you can find in the left pane of this page (if available). We sincerely apologize for any inconvenience this may cause.
Our entire assortment is being republished incrementally in order of priority as determined by the quality and popularity of individual collections. If you would like to increase the priority of this collection, contact us by writing to: publish (at) super-memory (dot) com with in the subject.
| Description |
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The name trigonometry has its origin in Greek words trigonon, meaning triangle, and metron, meaning a measure. As it is can be partly deduced from the origin of the name, trigonometry is the branch of mathematics that deals with the relations between the sides and angles of triangles. It is also concerned with solving triangles by means of trigonometric functions. Although the name trigonometry first came into use at the end of the 15th century, its earliest rudiments can be found in records from Egypt and Mesopotamia. Throughout ages, trigonometry has found numerous applications, e.g. a tool for astronomical calculations, surveying lands, measureing distances across rivers, computing mountain heights, etc.
Trig Functions together with SuperMemo will help you learn and keep in your memory trignometric ratios, properties and values of the most frequently required angles, reduction formulae, addition formulae, double-angle formulae, tangent of half-angle formulae, product formulae, sums and differences, derivatieves, and integrals of trigonometric functions.
With nearly 500 items, the collection serves as a strong basis for those who would like to study the subject in-depth.
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| Sample |
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Q: geom: the trig function equal in a right-angled triangle to the ratio of the hypotenuse to the side adjacent an acute angle
A: secant
Q: geom: Is tangent either even or odd function?
A: odd
Q: geom: What is the name of the rule of the form: a/sin A = b/sin B = c/sin C = 2R (where: A, B, C - the angles of the triangle; a, b, c - the lengths of the sides opposite them; R - the radius of the circumcircle (about the triangle))?
A: sine rule/law of sines
Q: T/F: Sine takes negative values in the 2nd quadrant. (math)
A: False
Q: geom: (cos A)' = [...]
A: -sin A
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To use this material you need the SuperMemo software . In the table below can you find what versions of SuperMemo the Trig Functions collection is compatible with
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Download a free sample of all commercial collections available from SuperMemo Library:
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 Installation HelpDesk |
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The step-by-step procedure with instructions on how to install collections available from SuperMemo Library in:
SuperMemo 6 for DOS
SuperMemo 7 for Windows
SuperMemo 8 for Windows
SuperMemo 98 for Windows
SuperMemo 99 for Windows
SuperMemo 2000 for Windows
SuperMemo for Palm Pilot
SuperMemo for Windows CE
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| What is SuperMemo? |
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- SuperMemo makes it possible to learn fast and retain memories for years
- SuperMemo is based on a breakthrough in scientific research on memory and learning
- SuperMemo is available as a computer program for Windows
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