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h. Relation of Angle to Angle   (−  )
                                    Pay  attention  and  on  the  image  on  the  side  to  determine  the

                               trigonometric comparison of angles and .∆      ∆  ′    ′   (−  )
                               Corner relationship    with an angle (−  ):

                                  sin(−  ) = − sin                                                P(p,q)
                                                                                            r
                                  cos (−  ) = cos   
                                  tan (−  ) = − tan                                       
                                  csc (−  ) = − csc                                O  _−           Q
                                  sec (−  ) = sec   
                                                                                            r
                                  cot (−  ) = − cot   
                                                                                                  P’(q,-p)

                               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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