Page 149 - 1300 Math Formulas
P. 149

CHAPTER 7.  ANALYTIC GEOMETRY


                              7.3 Straight Line in Plane


                                    =
                                    mçáåí=ÅççêÇáå~íÉëW=uI=vI=ñI= ñ I= ñ I== ó I= ó I=~ I=~ I=£==
                                                                    N
                                                                        M
                                                                            N
                                                                                   O
                                                                               N
                                                                M
                                    oÉ~ä=åìãÄÉêëW=âI=~I=ÄI=éI=íI=^I=_I=`I= ^I= ^I=£=
                                                                        N
                                                                            O
                                    ^åÖäÉëW=α I=β =
                                    ^åÖäÉ=ÄÉíïÉÉå=íïç=äáåÉëW=ϕ =
                                                    r
                                    kçêã~ä=îÉÅíçêW=å=
                                                     r r   r
                                    mçëáíáçå=îÉÅíçêëW= ê I=~ I= Ä =
                                    =
                                    =
                              622.  dÉåÉê~ä=bèì~íáçå=çÑ=~=píê~áÖÜí=iáåÉ=
                                    ^ñ + _ó + ` =  M=
                                    =
                              623.  kçêã~ä=sÉÅíçê=íç=~=píê~áÖÜí=iáåÉ=
                                    qÜÉ=îÉÅíçê= (  r  _ =áë=åçêã~ä=íç=íÜÉ=äáåÉ= ^ñ + _ó + ` =  MK=
                                                å
                                                      ) I ^
                                    =




















                                                                                   =
                                    =
                                                         Figure 98.
                                    =
                              624.  bñéäáÅáí=bèì~íáçå=çÑ=~=píê~áÖÜí=iáåÉ=EpäçéÉ-fåíÉêÅÉéí=cçêãF=
                                    ó = âñ +  Ä K==




                                                            139
   144   145   146   147   148   149   150   151   152   153   154