The Young Mathematician's Guide: Being a Plain and Easy Introduction to the Mathematicks ... With an Appendix of Practical Gauging

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J. Beecroft, 1771 - Mathematics - 480 pages
 

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Page 475 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, etc.
Page 479 - C' (89) (90) (91) (92) (93) 112. In any plane triangle, the sum of any two sides is to their difference as the tangent of half the sum of the opposite angles is to the tangent of half their difference.
Page 92 - If 8 men can do a piece of work in 12 days, how long will it take...
Page 16 - Addition j and bear (or carry) the faid ten (or tens) in Mind, until you have multiplied the next Figure of the Multiplicand by the...
Page 98 - If 2 men can do 12 rods of ditching in 6 days ; how many rods may be done by 8 men in 24 days ? Ans.
Page 146 - If equal quantities be added to equal quantities, the fums will be equal. 2. If equal quantities be taken from equal quantities, the remainders will be equal. 3. If equal quantities be multiplied by equal quantities, the produits will be equal.
Page 479 - Legs is to half their Difference, as the Tangent of half the Sum of the oppofite Angles is to the Tangent of half "their Difference: But...
Page 84 - Seven gentlemen, who were travelling, met together by chance at a certain inn upon the road, where they were so well pleased with their host, and each other's company, that in a frolic they offered him...
Page 477 - Secants, and are to be taken out of your Table. To find a Side, any Side may be made Radius : Then fay, As the Name of the Side given, Is to the Name of the Side required ; So is the Side given, To the Side required. But to find an Angle, one of the given Sides...

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