2019-03-31T20:33:01+03:00[Europe/Moscow] en true Sin2X, Cos2X, Tan2X flashcards
Double-Angle Formulas

Double-Angle Formulas

  • Sin2X
    2SinXCosX
  • Cos2X
    Cos^2(X)-Sin^2 (X)
  • Tan2X
    (2TanX)/(1-Tan^2 (X))