A Treatise on Trigonometry, Plane and Spherical: With Its Application to Navigation and Surveying, Nautical and Practical Astronomy and Geodesy : with Logarithmic, Trigonometrical, and Nautical Tables, for the Use of Schools and Colleges |
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Results 1-5 of 16
Page 145
... colatitude , and this measures the angle OAQ ; also RS will be the sun's declination , and AR , expressed in time , will express the time Z of sunrise from 6 o'clock , for nas is the 6 o'clock hour circle . S Hence , in the right angled ...
... colatitude , and this measures the angle OAQ ; also RS will be the sun's declination , and AR , expressed in time , will express the time Z of sunrise from 6 o'clock , for nas is the 6 o'clock hour circle . S Hence , in the right angled ...
Page 168
... colatitude of the station . Or in the diagram given , zs , z , and Ps , to find P and PZ . Supposing the declination of a star , as given by catalogue , to be 160 11 ā² N. , and its observed altitude and azimuth to be 39 Ā° 10 ' and 75 ...
... colatitude of the station . Or in the diagram given , zs , z , and Ps , to find P and PZ . Supposing the declination of a star , as given by catalogue , to be 160 11 ā² N. , and its observed altitude and azimuth to be 39 Ā° 10 ' and 75 ...
Page 228
... colatitude of the point s , the course PSS ' previously calculated , and the angle which the meridian PS makes with the meridian whose point of inter- section with the great circle course from s to s ' is to be calculated ; in other ...
... colatitude of the point s , the course PSS ' previously calculated , and the angle which the meridian PS makes with the meridian whose point of inter- section with the great circle course from s to s ' is to be calculated ; in other ...
Page 284
... colatitude ZP . Now , in the tri- angle Pss , we have given two sides . S ' M į P S and the included angle to find the third side ss ' , and one of the remain- ing angles , say the angle Pss ' . In the triangle zss ' we have given the ...
... colatitude ZP . Now , in the tri- angle Pss , we have given two sides . S ' M į P S and the included angle to find the third side ss ' , and one of the remain- ing angles , say the angle Pss ' . In the triangle zss ' we have given the ...
Page 287
... colatitude , will be three sides of a spherical triangle given to find the hour angle , comprised between the codeclination and the colatitude . ( See Art . 84. ) The following example will illustrate the mode of pro- ceeding . At ...
... colatitude , will be three sides of a spherical triangle given to find the hour angle , comprised between the codeclination and the colatitude . ( See Art . 84. ) The following example will illustrate the mode of pro- ceeding . At ...
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Common terms and phrases
A.M. Hour P.M. altitude azimuth centre circle colatitude collimation column comp cosĀ² cosc Cosecant Cotangent Diff Cotangent Secant course decimal declination departure determined diagram difference of latitude difference of longitude distance divided equal equation error EXAMPLE expressed feet formula Geom given number hence horizontal Hour A.M. Cosine Hour A.M. Hour hour angle hypothenuse instrument Logarithms of Numbers longitude meridian miles multiplied Napier's rules Natural Sines Nautical Almanac negative number of degrees observed obtained parallel parallel sailing perpendicular plane sailing plane triangle Prop proportion quadrant quotient radius right angled triangle right ascension sailed screw second member ship side opposite siderial sin a cos sin a sin sinĀ² sine and cosine solution sphere spherical triangle spherical trigonometry spirit level star subtracting supporting axis TABLE XXVII tangent telescope transit trigonometrical lines vertical zenith