A handbook of trigonometric functions - introducing doversines
"The main purpose of this book is to supply the user with a table of trigonometric functions that is arranged specifically to expedite the solution of both plane and spherical triangles. For any one degree from 0 to 180 degrees the user has in full view the natural sines, cosines, tangents, cotangents, secants, cosecants, doversines and haversines... Natural trigonometric functions have been calculated to either six significant figures or six decimal places...The logarithms of the functions have been calaculated to six decimal places. A table of six place logarithms of the numers 1 to 1000 has been included."--Pref.
""The main purpose of this book is to supply the user with a table of trigonometric functions that is arranged specifically to expedite the solution of both plane and spherical triangles. For any one degree from 0 to 180 degrees the user has in full view the natural sines, cosines, tangents, cotangents, secants, cosecants, doversines and haversines ... Natural trigonometric functions have been calculated to either six significant figures or six decimal places ... The logarithms of the functions have been calaculated to six decimal places. A table of six place logarithms of the numers 1 to 1000 has been included."--Preface."
""The main purpose of this book is to supply the user with a table of trigonometric functions that is arranged specifically to expedite the solution of both plane and spherical triangles. For any one degree from 0 to 180 degrees the user has in full view the natural sines, cosines, tangents, cotangents, secants, cosecants, doversines and haversines... Natural trigonometric functions have been calculated to either six significant figures or six decimal places...The logarithms of the functions have been calaculated to six decimal places. A table of six place logarithms of the numers 1 to 1000 has been included."--Pref."@en
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