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 Trigonometric Formulas
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Author(s): SuperMemo Library

No. of items: 239
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Last updated: Mar 31, 2004

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 Description

Over 200 items for learning the most important trigonometric formulas

 Sample

Q: geom: a÷sin A = 2*R (where: A - the angle of the triangle; a - the length of the side opposite A; R - [...])

Q: geom: cos 2A = 1 - 2*(sin^2 A) (where: sin^2 A = ([...] - cos 2A)÷2)
A: 1

Q: geom: [...] = -2*(sin (A + B)÷2)*(sin (A - B)÷2)
A: cos A - cos B

Q: geom: [...] = 2*t÷(1 - t^2) (where: t = tan A÷2)
A: tan A

Q: geom: sin(A - B) = (sin A)*[...] - (cos A)*(sin B)
A: cos B

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 SM6 SM7 SM8 SM98 SM99 SM2000 SM2002 Palm SM SMCE

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