First Books on Plane Trigonometry ... |
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First Book on Plane Trigonometry, Comprising Geometrical Trigonometry George Wirgman Hemming Sin vista previa disponible - 2016 |
Términos y frases comunes
1+tan² A-sin AC AC AC and AC adjacent angle angle BAC angle increases angles less B-cos B'AC B+ sin B+cos BAC AP base BC AC BC called characteristic ciphers circumscribed circles complementary angles cos² cosec cosine of BAC cosines and tangents cotangent decimal places Diff difference equating two values example feet find log find the logarithm find the sine formulæ four significant digits fractions GEOMETRICAL TRIGONOMETRY given angles given to determine increases from 90 increases from zero integral digits L sin Let ABC log BC=log loga Mantissa of log number containing obtained obtuse angle polygon reciprocal right angle right-angled triangle sec² secant Shew sides sin A cos sin A+B sin² sine and cosine supplementary angles tables tan² theodolite three angles triangle ABC trigono trigonometrical functions unit of length unity vernier zero to 90
Pasajes populares
Página 16 - A sin B sin (A — B) = sin A cos B — cos A sin B cos (A + B) = cos A cos B...
Página 115 - PRINCIPLES OF THE DIFFERENTIAL AND INTEGRAL CALCULUS, Familiarly illustrated and applied to a Variety of Useful Purposes. Designed for the Instruction of young Persons. By the Rev.
Página 33 - Any positive number being selected as a base, the logarithm of any other positive number is the exponent of the power to which the base must be raised to produce the given number. Thus, if a
Página 115 - THE STUDENT'S JOURNAL. Arranged, Printed, and Ruled for receiving an Account of every Day's Employment for the space of One Year. With an Index and Appendix.
Página 115 - RITCHIE'S PRINCIPLES of the DIFFERENTIAL and INTEGRAL CALCULUS, familiarly Illustrated, and applied to a variety of useful purposes. Second Edition. Revised by JA SPENCER, BA, Assistant Mathematical Master in University College School.
Página 101 - From a station, B, at the base of a mountain, its summit A is seen at an elevation of 60° ; after walking one mile towards the summit, up a plane making an angle of 30° with the horizon, to another station, C, the angle BCA is observed to be 135° : find the height of the mountain in yards.
Página 115 - I propose from this day to keep an exact Journal of my Actions and Studies, both to assist my Memory, and to accustom me to set a due value on my Time." Introduction to Mr. Gibbon's Journal. THE PRIVATE DIARY : formed on the Plan of the STUDENT'S JOURNAL, for general Use.