Sum and Difference Identities
Home
> Preview
The flashcards below were created by user
ChantelleVu
on
FreezingBlue Flashcards
.
Get the free mobile app
Take the Quiz
Learn more
cos(α + β) =
cosαcosβ - sinαsinβ
cos(α - β) =
cosαcosβ + sinαsinβ
sin(α + β) =
sinαcosβ + cosαsinβ
sin(α - β) =
sinαcosβ - cosαsinβ
tan(α + β) =
_tanα + tanβ_
1 - tanαtanβ
tan(α - β) =
_tanα - tanβ_
1 + tanαtanβ
Card Set Information
Author:
ChantelleVu
ID:
43587
Filename:
Sum and Difference Identities
Updated:
2010-10-20 02:55:24
Tags:
Trig Identities
Folders:
Description:
+ & - trig identities
Show Answers:
What would you like to do?
Get the free app for
iOS
Get the free app for
Android
Learn more
Home
>
Flashcards
> Print Preview