| Mathematics - 1975 - 1182 pages
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| Howard Whitley Eves - Mathematics - 1983 - 292 pages
...noncontiguous parts the opposite parts. Napier's rules may be stated as follows: 1. The sine of any **middle part is equal to the product of the cosines of the two opposite parts.** 2. The sine of any middle part is equal to the product of the tangents of the two adjacent parts. (a)... | |
| Mathematics - 1984 - 650 pages
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| Science - 1977 - 792 pages
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