Formulas Chapter 8 Flashcards
(12 cards)
1
Q
Sin (u-v)
A
Sin (u-v) = sinUcosV - cosUsinV
2
Q
Cos(u+v)
A
Cos(u+v) = cosUcosV - sinUsinV
3
Q
Sin (u+v)
A
Sin(u+v)= sinUcosV + cosUsinV
4
Q
Cos(u-v)
A
Cos (u-v)= cosUcosV + sinUsinV
5
Q
Tan (u+v)
A
Tan (u+v) = (tanU + tanV)/ 1 - tanUtanV
6
Q
Tan(u-v)
A
Tan(u+v)= (tanU - tanV)/ 1 + tanUtanV
7
Q
Sin(2u)
A
2sinUcosU
8
Q
Cos(2u)
A
=cos^2U - sin^2U
=2cos^2U
9
Q
Tan(2u)
A
(2tanU) / 1 - tan²U
10
Q
Sin²U
A
Sin²U = ( 1 - cos(2u)) / 2
11
Q
Cos²U
A
Cos²U = ( 1 + cos(2u)) / 2
12
Q
Tan²U
A
Tan²U = ( 1 - cos(2u)) / ( 1 + cos(2u))
