Sum and Difference Identities

Card Set Information

Author:
ChantelleVu
ID:
43587
Filename:
Sum and Difference Identities
Updated:
2010-10-19 22:55:24
Tags:
Trig Identities
Folders:

Description:
+ & - trig identities
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user ChantelleVu on FreezingBlue Flashcards. What would you like to do?


  1. cos(α + β) =
    cosαcosβ - sinαsinβ
  2. cos(α - β) =
    cosαcosβ + sinαsinβ
  3. sin(α + β) =
    sinαcosβ + cosαsinβ
  4. sin(α - β) =
    sinαcosβ - cosαsinβ
  5. tan(α + β) =
    • _tanα + tanβ_
    • 1 - tanαtanβ
  6. tan(α - β) =
    • _tanα - tanβ_
    • 1 + tanαtanβ

What would you like to do?

Home > Flashcards > Print Preview