Elements of Surveying with a Description of the Instruments and the Necessary Tables Including a Table of Natural Sines |
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Page 37
... side of the page , till you reach the number expressing the minutes : then pass along the horizontal line into the columns designated tang , cot , sine , or cosine , as 4 PLANE TRIGONOMETRY , 37 Table of Logarithmic Sines,
... side of the page , till you reach the number expressing the minutes : then pass along the horizontal line into the columns designated tang , cot , sine , or cosine , as 4 PLANE TRIGONOMETRY , 37 Table of Logarithmic Sines,
Page 38
... tang with cotang , and cotang with tang , as in the tables ( Art . 49 ) . If the angle is greater than 90 ° , we have only to subtract it from 180 ° , and take the sine , cosine , tangent or cotangent of the remainder . The column of ...
... tang with cotang , and cotang with tang , as in the tables ( Art . 49 ) . If the angle is greater than 90 ° , we have only to subtract it from 180 ° , and take the sine , cosine , tangent or cotangent of the remainder . The column of ...
Page 5-6
... Tang . 0.0000001 D. Cotang . Infinite . 60 16.463726 501717 000000 00 6.463726 501717 13.536274 59 2 764756 293485 000000 00 764756 293483 235244 58 3 940817 208231 000000 00 940847 208231 059153 57 47.065786 161517 000000 00 7.065786 ...
... Tang . 0.0000001 D. Cotang . Infinite . 60 16.463726 501717 000000 00 6.463726 501717 13.536274 59 2 764756 293485 000000 00 764756 293483 235244 58 3 940817 208231 000000 00 940847 208231 059153 57 47.065786 161517 000000 00 7.065786 ...
Page 5-7
... Tang . D Cotang . 11.758079 60 249033 11768 999932 04 249102 11772 750898 ) 59 256094 11580 999929 04 256165 11584 743835 58 3 263042 11398 999927 04 263115 11402 736885 57 4 269881 11221 999925 04 269956 11225 730044 56 276614 11050 ...
... Tang . D Cotang . 11.758079 60 249033 11768 999932 04 249102 11772 750898 ) 59 256094 11580 999929 04 256165 11584 743835 58 3 263042 11398 999927 04 263115 11402 736885 57 4 269881 11221 999925 04 269956 11225 730044 56 276614 11050 ...
Page 5-8
... Tang . D. Cotang . 9.999735 07 8.543084 6012 11.456916 60 546422 5955 999731 07 546691 5962 453309 59 549995 5906 ... Tang . M. 012389 721204 3984 M. Sine D. Cosine D. Tang . 27 Degrees . 20 ( 2 Degrees . ) A TABLE OF LOGARITHMIC.
... Tang . D. Cotang . 9.999735 07 8.543084 6012 11.456916 60 546422 5955 999731 07 546691 5962 453309 59 549995 5906 ... Tang . M. 012389 721204 3984 M. Sine D. Cosine D. Tang . 27 Degrees . 20 ( 2 Degrees . ) A TABLE OF LOGARITHMIC.
Common terms and phrases
acres adjusted angle of elevation axis azimuth back-sights base line called centre clamp-screw coincide column comp compass Cosine D Cosine Sine Cotang course curve decimal degrees determined difference of level direction divided double meridian distance draw east elongation error example feet field notes figure given angle given line given point ground Gunter's chain half hence horizontal angle horizontal distance horizontal plane hypothenuse inches instrument intersection latitude and departure length levelling screws line AC line of collimation logarithm M.
M. Sine marked measure method multiplied natural sines needle object paper parallel passing perpendicular piece of land pins plane of reference protractor radius right angles right-angled triangle rods scale of equal secant side similar triangles spider's lines square chains staff subtract surface survey Tang tangent theodolite true meridian vernier plate vertical limb yards