• Title of article

    An extended Jordan’s inequality in exponential type

  • Author/Authors

    Zhu، نويسنده , , Ling، نويسنده ,

  • Issue Information
    روزنامه با شماره پیاپی سال 2011
  • Pages
    4
  • From page
    1870
  • To page
    1873
  • Abstract
    In this paper, we establish the following double exponential type Jordan’s inequality ( sin r r ) p + α ( r 2 − x 2 ) ≤ ( sin x x ) p ≤ ( sin r r ) p + β ( r 2 − x 2 ) for x ∈ ( 0 , r ] , 0 < r ≤ π / 2 , and p > 0 .
  • Keywords
    Double exponential type Jordan’s inequality , lower and upper bounds
  • Journal title
    Applied Mathematics Letters
  • Serial Year
    2011
  • Journal title
    Applied Mathematics Letters
  • Record number

    1528106