## A Treatise of Plane Trigonometry: To which is Prefixed, a Summary View of the Nature and Use of Logarithms. Being the Second Part of A Course of Mathematics, Adapted to the Method of Instruction in the American Colleges ... |

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A Treatise of Plane Trigonometry: To which is Prefixed a Summary View of the ... Jeremiah Day Uten tilgangsbegrensning - 1839 |

A Treatise of Plane Trigonometry: To Which Is Prefixed a Summary View of the ... Jeremiah Day Ingen forhåndsvisning tilgjengelig - 2015 |

A Treatise of Plane Trigonometry: To Which Is Prefixed, a Summary View of ... Jeremiah Day Ingen forhåndsvisning tilgjengelig - 2015 |

### Vanlige uttrykk og setninger

acute angle added angle ACB arithmetical complement arithmetical progression base calculation centre chord of 60 circle cosecant cotangent decimal degrees and minutes distance divided division divisor equal to radius equation errour exponents extend find the angles find the logarithm fraction geometrical progression given angle given number given side Given the angle gles greater half the sum hypothenuse JEREMIAH DAY length less line of chords line of numbers lines of sines loga logarithmic sine metical Mult multiplied natural number natural sines number of degrees obtuse angle opposite angles perpendicular positive Prod proportion quadrant quotient right angled triangle rithms root secant similar triangles sine of 30 sines and cosines slider square subtracting tables tabular radius tabular sine tangent of half theorem Third term three sides triangle ABC trigonometrical tables Trigonometry versed sine vulgar fraction

### Populære avsnitt

Side 66 - 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.

Side 40 - ... the square of the hypothenuse is equal to the sum of the squares of the other two sides.

Side 103 - The sum of any two sides of a triangle is to their difference, as the tangent of half the sum of the angles opposite to those sides, to the tangent of half their difference.

Side 47 - ... at the head of the column, take the degrees at the top of the table, and the minutes on the left; but if the title be at the foot of the column, take the degrees at the bottom, and the minutes on the right.

Side 37 - With these the learner should make himself perfectly familiar. 82. The SINE of an arc is a straight line drawn from one end of the arc, perpendicular to a diameter which passes through the other end. Thus BG (Fig.

Side 114 - 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. By Theorem II. we have a : b : : sin. A : sin. B.

Side 35 - The periphery of every circle, whether great or small, is supposed to be divided into 360 equal parts called degrees, each degree into 60 minutes, each minute into 60 seconds, each second into 60 thirds, &c., marked with the characters °, ', ", '", &c. Thus, 32° 24...

Side 70 - ... angle. The third angle is found by subtracting the sum of the other two from 180° ; and the third side is found as in Case I.