An Easy Introduction to the Mathematics: In which the Theory and Practice are Laid Down and Familiarly Explained ... A Complete and Easy System of Elementary Instruction in the Leading Branches of the Mathematics; ... Adapted to the Use of Schools, Junior Students at the Universities, and Private Learners, Especially Those who Study Without a Tutor. In Two Volumes, Volume 2Bartlett and Newman ; [etc., etc..], 1814 |
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Page 28
... joins two lumi- naries , or in the line produced , which is equally enlightened by both " . Let a their distance apart , x = the distance of the least of them from the required point , then a + x = the distance of the other : let the ...
... joins two lumi- naries , or in the line produced , which is equally enlightened by both " . Let a their distance apart , x = the distance of the least of them from the required point , then a + x = the distance of the other : let the ...
Page 246
... join 9 C , 8 a , 7 b , 6 c , 5 ́d , & c . 2 : x A 3 2 m Ο D E 1 2 3 4 5 6 7 8 9 B II III IV V VI VII VII IX Fihgfedcba bac Since 9 B = BI = aC , and 9 C by its inclination to BC meets it in C , if the distance of 9C and BC at B , that ...
... join 9 C , 8 a , 7 b , 6 c , 5 ́d , & c . 2 : x A 3 2 m Ο D E 1 2 3 4 5 6 7 8 9 B II III IV V VI VII VII IX Fihgfedcba bac Since 9 B = BI = aC , and 9 C by its inclination to BC meets it in C , if the distance of 9C and BC at B , that ...
Page 251
... joining two or more simple ideas together ; thus the ideas of beer , wine , false- hood , a house , a square , are complex , being each made up of the ideas of the several ingredients or particulars which compose it , together with that ...
... joining two or more simple ideas together ; thus the ideas of beer , wine , false- hood , a house , a square , are complex , being each made up of the ideas of the several ingredients or particulars which compose it , together with that ...
Page 254
... join that of the specific difference , and both together will convey to the mind of the hearer the complex idea we mean to describe . Again , if we consider this species as a genus , and join to it the next lower specific difference ...
... join that of the specific difference , and both together will convey to the mind of the hearer the complex idea we mean to describe . Again , if we consider this species as a genus , and join to it the next lower specific difference ...
Page 263
... joins those points , will fall either above or below the super- ficies ; we see moreover not only the propriety , but the absolute necessity , of the distinction " any two points , " for two points may be taken ( in one particular ...
... joins those points , will fall either above or below the super- ficies ; we see moreover not only the propriety , but the absolute necessity , of the distinction " any two points , " for two points may be taken ( in one particular ...
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Common terms and phrases
Algebra arithmetical progression base biquadratic equation bisected called centre chord circle circumference CN² co-sec co-sine co-tan common compasses Conic Sections conjugate hyperbola cube cubic equation curve described diameter difference distance divided draw drawn EC² ellipse equal equiangular Euclid EUCLID'S ELEMENTS EXAMPLES.-1 former fourth Geometry given equation given ratio given straight line greater Hence hyperbola infinite series latter latus rectum likewise logarithms magnitude measure method multiplied odd number parabola parallel parallelogram perpendicular plane PN² polygon problem Prop proposition Q. E. D. Cor quadrant quotient radius rectilineal figures right angles roots rule scale secant segments shewn sides sine square substituted subtracted tangent theor theorems third unknown quantity VC² versed sine whence wherefore whole numbers
Popular passages
Page 320 - If a straight line touch a circle, and from the point of contact a chord be drawn, the angles which this chord makes with the tangent are equal to the angles in the alternate segments.
Page 405 - 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 287 - TO a given straight line to apply a parallelogram, which shall be equal to a given triangle, and have one of its angles equal to a given rectilineal angle.
Page 66 - If four magnitudes are proportional, the sum of the first and second is to their difference as the sum of the third and fourth is to their difference.
Page 272 - But things which are equal to the same are equal to one another (Ax.
Page 267 - Parallel straight lines are such as are in the same plane, and which being produced ever so far both ways, do not meet.
Page 263 - A plane rectilineal angle is the inclination of two straight lines to one another, which meet together, but are not in the same straight line.
Page 281 - If two triangles have two angles of the one equal to two angles of the other, each to each, and also one side of the one equal to the corresponding side of the other, the triangles are congruent.
Page 294 - If a straight line be bisected, and produced to any point ; the rectangle contained by the whole line thus produced, and the part of it produced, together with the square of half the line bisected, is equal to the square of the straight line which is made up of the half and the part produced.
Page 190 - Take the first term from the second, the second from the third, the third from the fourth, &c. and the remainders will form a new series, called the first order of