Double, Power reducing, Half, Product to Sum, Sum to Product Trigonometric Formulas
5.0(1)
Studied by 2 people
Learn
Practice Test
Spaced Repetition
Match
FlashcardsCard Sorting
1/26
There's no tags or description
Looks like no tags are added yet.
Study Analytics
Name | Mastery | Learn | Test | Matching | Spaced |
|---|
No study sessions yet.
27 Terms
1
New cards
Cos(2x)
cos^2(x)-sin^2(x)
2cos^2(x)-1
1-2sin^2(x)
2cos^2(x)-1
1-2sin^2(x)
2
New cards
cos(A-B)
cosAcosB+sinAsinB
3
New cards
cos(A+B)
cosAcosB-sinAsinB
4
New cards
Cos(x) - cos(y)
-2sin[(x + y)/2]sin[(x - y)/2]
5
New cards
Cos(x) + cos(y)
2cos[(x + y)/2]cos[(x - y)/2]
6
New cards
Cos(x)cos(y)
1/2[cos(x-y)+cos(x+y)]
7
New cards
Cos(x/2)
±√[1+cos(x)/2]
8
New cards
Cos^2(x)
\[1+cos(2x)]/2
9
New cards
cot(x)
cos(x)/sin(x)
10
New cards
cot^2(x)+1
csc^2(x)
11
New cards
Sin(2x)
2sin(x)cos(x)
12
New cards
sin(A-B)
sinAcosB-cosAsinB
13
New cards
sin(A+B)
sinAcosB+cosAsinB
14
New cards
Sin(x) - sin(y)
2sin[(x-y)/2]cos[(x+y)/2]
15
New cards
Sin(x) + sin(y)
2sin[(x + y)/2]cos[(x - y)/2]
16
New cards
Sin(x)cos(y)
1/2[sin(x+y)+sin(x-y)]
17
New cards
Sin(x)sin(y)
1/2[cos(x-y)-cos(x+y)]
18
New cards
Sin(x/2)
±√[1-cos(x)/2]
19
New cards
Sin^2(x)
\[1-cos(2x)]/2
20
New cards
sin^2x+cos^2x
1
21
New cards
Tan(2x)
2tan(x)/[1-tan^2(x)]
22
New cards
tan(A-B)
(tanA - tanB) / (1 + tanAtanB)
23
New cards
tan(A+B)
(tanA + tanB)/(1 - tanAtanB)
24
New cards
tan(x)
sin(x)/cos(x)
25
New cards
Tan(x/2)
(1-cosx)/sinx
sinx/(1+cosx)
±√((1-cosx)/(1+cosx))
sinx/(1+cosx)
±√((1-cosx)/(1+cosx))
26
New cards
Tan^2(x)
\[1-cos(2x)]/[1+cos(2x)]
27
New cards
tan^2(x)+1
sec^2(x)
Note 
Flashcards (90)