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 |
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Página 107
... gonal base ; on which , therefore , the measure of the solid angle depends . Thus , with respect to the right prism with an equilateral triangular base , each solid angle is formed by planes which respectively make angles of 90 ° , 90 ...
... gonal base ; on which , therefore , the measure of the solid angle depends . Thus , with respect to the right prism with an equilateral triangular base , each solid angle is formed by planes which respectively make angles of 90 ° , 90 ...
Página 108
... gonal m - 4 m decagonal , duodecagonal , m gonal base . Hence again we may infer , that the sum of all the solid angles of any prism of triangular base , whether that base be regular or irregular , is half the sum of the solid angles of ...
... gonal m - 4 m decagonal , duodecagonal , m gonal base . Hence again we may infer , that the sum of all the solid angles of any prism of triangular base , whether that base be regular or irregular , is half the sum of the solid angles of ...
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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