Elements of Plane and Spherical Trigonometry: With Their Applications to Heights and Distances Projections of the Sphere, Dialling, Astronomy, the Solution of Equations, and Geodesic OperationsBaldwin, Cradock, and Joy, 1816 - 244 páginas |
Dentro del libro
Resultados 1-5 de 21
Página 3
... diameter , to meet the circle in D , E. F D E B Then , Euc . vi . 33 , ang . ACB : right ang . ACD :: arc AB : arc AD , and , Euc . v . 4 , cor . quadrupling the consequents , we have , angle ACB : 4 right angles :: arc AB : + AD , that ...
... diameter , to meet the circle in D , E. F D E B Then , Euc . vi . 33 , ang . ACB : right ang . ACD :: arc AB : arc AD , and , Euc . v . 4 , cor . quadrupling the consequents , we have , angle ACB : 4 right angles :: arc AB : + AD , that ...
Página 5
... diameter passing through the other . 14. The versed sine of an arc is that part of the dia- meter which is intercepted between the foot of the sine and the arc . 15. The tangent of an arc is a right line which touches it in one ...
... diameter passing through the other . 14. The versed sine of an arc is that part of the dia- meter which is intercepted between the foot of the sine and the arc . 15. The tangent of an arc is a right line which touches it in one ...
Página 9
... diameter of the circle . * The nature and use of logarithms being fully explained in Dr. Hutton's valuable work , and , indeed , in every collection of logarithmic tables which a student ought to possess , I think it entirely ...
... diameter of the circle . * The nature and use of logarithms being fully explained in Dr. Hutton's valuable work , and , indeed , in every collection of logarithmic tables which a student ought to possess , I think it entirely ...
Página 15
... diameter A AA ' . Draw ID , IE , from the cen- tre 1 with the radius CA of the as- sumed circle , describe an arc dbe , and through b draw Loм parallel - D B N G K L M - BG BCD to DE . Then , it is evident that NE KE + BG , is the sum ...
... diameter A AA ' . Draw ID , IE , from the cen- tre 1 with the radius CA of the as- sumed circle , describe an arc dbe , and through b draw Loм parallel - D B N G K L M - BG BCD to DE . Then , it is evident that NE KE + BG , is the sum ...
Página 61
... diameter , and has a ' nonius adapted to it , will enable the observer to ascertain ' an- gles to half a minute . cious tutor . 3. The space would be improperly occupied Heights and Distances . 961 Application of plane trigonometry to ...
... diameter , and has a ' nonius adapted to it , will enable the observer to ascertain ' an- gles to half a minute . cious tutor . 3. The space would be improperly occupied Heights and Distances . 961 Application of plane trigonometry to ...
Otras ediciones - Ver todas
Términos y frases comunes
altitude angled spherical triangle azimuth base becomes bisect centre chap chord circle circle of latitude computation consequently cos² cosec cosine cotangent declination deduced determine dial diameter difference distance draw earth ecliptic equa equal equation Example find the rest formulæ given side h cos h half Hence horizon hour angle hypoth hypothenuse intersecting latitude logarithmic longitude measured meridian obliq oblique opposite angle parallel perpendicular plane angles plane triangle pole problem prop quadrant radius right angled spherical right angled triangle right ascension right line sec² secant sin A sin sin² sine solid angle sphere spherical excess spherical trigonometry star substyle sun's supposed surface tan² tangent theorem three angles three sides tion triangle ABC values versed sine versin vertical angle whence zenith