as the equation of the tangent line.Edwards Art. 193 The equation in this form is often simpler to use in practice since no further simplification is needed after it is applied.
as tHe equatiOn oF tHe TaNGEnt LiNE.edwArDs Art. 193 tHE eqUation in thIs forM is oftEn sImpler tO use in practiCe since NO furthER SimplifiCation Is NeEded AfTer it is apPLieD.