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trigonometrymore about trigonometry

trigonometry

 

  3  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Trigonometry  \Trig`o*nom"e*try\,  n.;  pl  {-tries}.  [Gr.  ?  a 
  triangle  +  -metry:  cf  F.  trigonom['e]trie.  See  {Trigon}.] 
  1.  That  branch  of  mathematics  which  treats  of  the  relations 
  of  the  sides  and  angles  of  triangles,  which  the  methods  of 
  deducing  from  certain  given  parts  other  required  parts 
  and  also  of  the  general  relations  which  exist  between  the 
  trigonometrical  functions  of  arcs  or  angles. 
 
  2.  A  treatise  in  this  science. 
 
  {Analytical  trigonometry},  that  branch  of  trigonometry  which 
  treats  of  the  relations  and  properties  of  the 
  trigonometrical  functions. 
 
  {Plane  trigonometry},  and  {Spherical  trigonometry},  those 
  branches  of  trigonometry  in  which  its  principles  are 
  applied  to  plane  triangles  and  spherical  triangles 
  respectively. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Mathematics  \Math`e*mat"ics\,  n.  [F.  math['e]matiques,  pl.,  L. 
  mathematica,  sing.,  Gr  ?  (sc.  ?)  science.  See  {Mathematic}, 
  and  {-ics}.] 
  That  science,  or  class  of  sciences,  which  treats  of  the  exact 
  relations  existing  between  quantities  or  magnitudes,  and  of 
  the  methods  by  which  in  accordance  with  these  relations, 
  quantities  sought  are  deducible  from  other  quantities  known 
  or  supposed;  the  science  of  spatial  and  quantitative 
  relations. 
 
  Note:  Mathematics  embraces  three  departments,  namely:  1. 
  {Arithmetic}.  2.  {Geometry},  including  {Trigonometry} 
  and  {Conic  Sections}.  3.  {Analysis},  in  which  letters 
  are  used  including  {Algebra},  {Analytical  Geometry}, 
  and  {Calculus}.  Each  of  these  divisions  is  divided  into 
  pure  or  abstract,  which  considers  magnitude  or  quantity 
  abstractly,  without  relation  to  matter;  and  mixed  or 
  applied,  which  treats  of  magnitude  as  subsisting  in 
  material  bodies,  and  is  consequently  interwoven  with 
  physical  considerations. 
 
  From  WordNet  r  1.6  [wn]: 
 
  trigonometry 
  n  :  the  mathematics  of  triangles  and  trigonometric  functions 
  [syn:  {trig}]




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