Trigonometry: Plane and Spherical; with the Construction and Application of Logarithms. By Thomas Simpson, F.R.S.F. Wingrave, successor to Mr. Nourse, 1799 - 79 sider |
Inni boken
Resultat 1-5 av 5
Side 3
... called degrees ; and each degree into 60 equal parts , called mi- nutes ; and each minute into 60 equal parts , called feconds , or fecond minutes , & c . B 2 3. Any 1G H K B I F E 3. Any part 5095 ...
... called degrees ; and each degree into 60 equal parts , called mi- nutes ; and each minute into 60 equal parts , called feconds , or fecond minutes , & c . B 2 3. Any 1G H K B I F E 3. Any part 5095 ...
Side 4
... called A an arch , and is faid to be the measure of the angle ACB at- the center , which it fubtends . s Note , The degrees , minutes , feconds , & c . con- tained in any arck , or angle , are wrote in this manner , 50 ° 18 ′ 35 ...
... called A an arch , and is faid to be the measure of the angle ACB at- the center , which it fubtends . s Note , The degrees , minutes , feconds , & c . con- tained in any arck , or angle , are wrote in this manner , 50 ° 18 ′ 35 ...
Side 23
... called the poles of the circle . 3. A fpherical angle is the inclination of two great - circles . 4. A fpherical triangle is a part of the furface of the fphere included by the arches of three great - circles ; which arches are called ...
... called the poles of the circle . 3. A fpherical angle is the inclination of two great - circles . 4. A fpherical triangle is a part of the furface of the fphere included by the arches of three great - circles ; which arches are called ...
Side 39
... called lo- garithms of the numbers to which the terms them Jerves are equal . Thus , if " 2 , and a " = 3 , then will m and n be logarithms of the numbers 2 and 3 respectively .氰 Hence it is evident , that what has been above spe ...
... called lo- garithms of the numbers to which the terms them Jerves are equal . Thus , if " 2 , and a " = 3 , then will m and n be logarithms of the numbers 2 and 3 respectively .氰 Hence it is evident , that what has been above spe ...
Side 40
... called the hyperbolical . The hyperbolical logarithm of any number is the in- dex , of that term of the logarithmic progreffion agree- ing with the propofed number , multiplied by the excess of the common ratio above unity . Thus , if e ...
... called the hyperbolical . The hyperbolical logarithm of any number is the in- dex , of that term of the logarithmic progreffion agree- ing with the propofed number , multiplied by the excess of the common ratio above unity . Thus , if e ...
Vanlige uttrykk og setninger
5th rem AB by Theor AC by Theor AC-BC AC+BC adjacent angle alfo alfo known alfo let alſo arch bafe baſe becauſe bifecting cafe chord circle co-f co-fecant co-fine AC co-tangent of half common logarithm confequently COROL COROLLARY diameter dius equal to half excefs fame fecant fecond feries fhall fides AC fince fines firft firſt fpherical triangle ABC fquare fubtracted fupplement fuppofed garithms gles great-circles half the difference half the fum half the vertical Hence hyperbolic logarithm hypothenufe interfect laft leffer leg BC likewife LUKE HANSARD moreover oppofite angle pendicular perpendicular plane triangle ABC progreffion PROP propofed proportion radius reafon refpectively right-angled spherical triangle right-line ſhall ſphere tang tangent of half THEOREM theſe thofe Trigonometry verfed vertical angle whence whofe