Page 28 - modul trigonometri bilingual
P. 28

sin (360° −   ) = -sin   
                         cos (360° −   ) = cos   

                         tan (360° −   ) = -tan   
                         csc (360° −   ) = -csc        h. Relation of Angle to Angle   (−  )
                         sec (360° −   ) = sec            Pay attention and on the image on the side to
                                                                                                  P(p,q)
                         cot (360° −   ) = -cot   
                                                     determine the trigonometric comparison
                                                                                            r  of angles
                               and .∆      ∆  ′    ′   (−  )                              
                                                                                   O  _−           Q
                               Corner relationship    with an angle (−  ):
                                                                                            r
                                  sin(−  ) = − sin   
                                                                                                  P’(q,-p)
                                  cos (−  ) = cos   
                                  tan (−  ) = − tan   
                                  csc (−  ) = − csc   
                                  sec (−  ) = sec   
                                  cot (−  ) = − cot   

                               i. The Relationship of Angles    with Angles More Than       °
                                      At more angles than 360° applicable similarity of the following
                                  trigonometric comparisons.
                                  sin(   +    × 360°) = sin        csc(   +    × 360°) = csc   
                                  cos(   +    × 360°) = cos        sec(   +    × 360°) = sec   
                                  tan(   +    × 360°) = tan        cot(   +    × 360°) = cot   





































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