A Treatise on Surveying,: Containing the Theory and Practice: : to which is Prefixed a Perspicuous System of Plane Trigonometry. : The Whole Clearly Demonstrated and Illustrated by a Large Number of Appropriate Examples. : Particularly Adapted to the Use of SchoolsKimber and Sharpless, no. 93, Market Street, and John Richardson, no. 244, Market Street., 1820 - 206 páginas |
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Página 6
... Tangents and Secants ; the whole carefully revised , and compared with the most correct European editions . Price one dollar and fifty cents , bound . PREFACE . Book 1820 ay 4 THE following compilation originated iv RECOMMENDATIONS .
... Tangents and Secants ; the whole carefully revised , and compared with the most correct European editions . Price one dollar and fifty cents , bound . PREFACE . Book 1820 ay 4 THE following compilation originated iv RECOMMENDATIONS .
Página 36
... tangent of the arc AB , Fig . 31 . 10. The secant of an arc , is the right line drawn from the centre and terminating the tangent ; thus CG is the secant of AB , 31 . 11. The cotangent of an arc , is the tangent of the com- plement of ...
... tangent of the arc AB , Fig . 31 . 10. The secant of an arc , is the right line drawn from the centre and terminating the tangent ; thus CG is the secant of AB , 31 . 11. The cotangent of an arc , is the tangent of the com- plement of ...
Página 37
... tangents , and secants , to any radius . Fig . 32 . Describe a semicircle with any convenient radius CB ; from the centre C draw CD perpendicular to AB and produce it to F ; draw BE parallel to CF and join AD . Divide the arc AD into ...
... tangents , and secants , to any radius . Fig . 32 . Describe a semicircle with any convenient radius CB ; from the centre C draw CD perpendicular to AB and produce it to F ; draw BE parallel to CF and join AD . Divide the arc AD into ...
Página 38
... will show the degrees in the given angle . Note . When the distance mn exceeds 90 degrees , it must be taken off at twice , as before . OF THE TABLE OF LOGARITHMIC OR ARTIFICIAL SINES , TANGENTS 38 PLANE TRIGONOMETRY .
... will show the degrees in the given angle . Note . When the distance mn exceeds 90 degrees , it must be taken off at twice , as before . OF THE TABLE OF LOGARITHMIC OR ARTIFICIAL SINES , TANGENTS 38 PLANE TRIGONOMETRY .
Página 39
... TANGENTS , & c . THIS table contains the logarithms of the sine , tan- gent , & c . to every degree and minute ... tangent , & c . of an arc or angle . If the degrees in the given angle be less than 45 , look for them at the top of ...
... TANGENTS , & c . THIS table contains the logarithms of the sine , tan- gent , & c . to every degree and minute ... tangent , & c . of an arc or angle . If the degrees in the given angle be less than 45 , look for them at the top of ...
Términos y frases comunes
ABCD ABFD acres adjacent adjacent angles angle ABC angle opposite angled triangle azimuth base bearing and distance breadth Calculation centre Co-secant Secant Co-sine Co-tang column decimal degrees DEMONSTRATION departure corresponding diff difference of latitude Dist divide division line draw equal EXAMPLES feet figures find the angle find the area four-pole chains fourth term given angle given area given bearing given ratio given side John Gummere Lat Dep latitude and departure length logarithm measured meridian distance natural number off-sets parallel parallelogram perches perpendicular perpendicular BC quired quotient radius rectangle remainder Required the area right angle right line right-angled triangle RULE semiperimeter side AB side AC sine square root station stationary line subtract tance Tang Tangent tract of land trapezium trapezoid triangle ABC trigonometry