Vigtige Formler Flashcards
(138 cards)
1
Q
Tangens ud fra sinus og cosinus
A
2
Q
External Angles
A
3
Q
cos(60o)
A
4
Q
Proporties of rhombus
A
- ALL sides are equal
- Oposite sides are parallel
- Diagonals are perpendicular
- Sum of any adjacent angles are 1800
5
Q
Sum af første n tal i en arithmetric sekvens
A
6
Q
How does a Venn diagram with 2 mutual explusive events look like
A
7
Q
Sum af uendelige geometrisk sekvens
A
r er faktoren, som adskiller to efterfølgende tal i sekvensen
8
Q
What is this
A
Histogram with unequal class intervals
Area of bar NOT High tells frequency
9
Q
Omskriv tan(A/2)
A
10
Q
Formel for produkt af rødder i polynomie
A
11
Q
Når A+B=90o gælder
A
12
Q
MODE
A
Ungrouped data
13
Q
Eksempel på bestemmelse af inversfunktion
Find den inverersefunktion af:
A
14
Q
cos(90o)
A
0
15
Q
Defination på “ulige” funktion
A
16
Q
Shade in Venn diagram
A
17
Q
What is the funktion
A
18
Q
Sidelængder i 45-45-60 Trekant, når benene er a lange
(Isoceltrekant)
A
19
Q
Polar Koordinater
A
20
Q
- What is this
- What is it used for
A
- Probability Tree
- repeated condentional events
21
Q
Translate to words
A
“Poperbility of B occuring, when A also occurs/has occured”
22
Q
Obtuse Triangle
A
23
Q
Pythagoras sammenhænge for cot og csc
A
24
Q
Omskriv cos(A/2)
A
25
**Mean** for **ungrouped data**
26
Vigtig ting at huske i forhold til sansynlighed
27
Distance Formlen
28
**Completing Square**
29
Defination på "lige" funktion
30
tan(**30o**)
31
Sammenhæng mellem **buelængde, radius** og **vinkel i RADIANER**
32
tan(**60o**)
33
Ændring i logaritme base formel
34
tan(**45o**)
1
35
Mathematical **Equations**
Statement expressesing the **equality** of **two mathematical expressions**
36
How do you **grafically** represent **sets**
**Venn Diagram**
37
Omskriv
tan(A-B)
38
What is this?
**A pictogram**
39
**Proporties** of **trapezium**
* ONLY **one** pair of **opporsite sides** are **parallel**
40
This is an example of .....
an **iterative process**
41
Omskriv sin(2A)
42
Pythagoras sammenhænge for
tan og sec
43
Omskriv cos(2A)
44
Translate to words
"Poperbility of **A** occuring, when **B** **also** occurs/has occured"
45
Omskriv
cos(A+B)
46
Cosecant csc(x)
47
Formel for summen af rødder i polynomie
48
**Factorize**
49
sin(**0o**)
0
50
1. , 2. og 3. kvadratsætning
51
Eksponent regl for logaritmer
52
Powerfull **toll** solving **properbility** problems with **independent** **events**
53
**Inversly proportinal**
54
**Relative expected frequencies** is equal to ....
**Theoretical Probability**
55
Formula for **area** of a **TRAPEZ**
56
**Collectively Exhaustive Set**
When **at least one** of the events **must occur**
57
Det n'te tal i en geometrisk sekvens
58
**Conditional** probability rule (**Probabilty Tree**)
59
**ESTIMATE Mean** of **Grouped** data
60
What is this?
**Two-Way Table / Contingency Table**
61
What is this
**Cumulative Frequency Graph**
Drawn by plotting the **upper class boundary**
62
1. What is **this**
2. What is it **used for**
1. **Probability Tree**
2. _repeated_ **independent** events
63
Formel for vinkel mellem to linjer i planen
64
What is this
**Frequency tree**
65
Fomula for **growth** and **deacay** problems
66
Periode, Amplitude og middellinje for:
67
Formel for asymptoter for hyperbel med formel
68
tan(**0****o**)
0
69
Amplitude, periode og middellinje for
70
Areal og omkreds af parrallelogram
71
Scalene Triangle
ALL sides have **different lenths**
72
Proporties of **Kite**
* Combination of **2 isoceles triangles**
* **Consecutive sides** are **equal**
* ONE pair of **opporsite angles** are congruente
* **Diagonals** form **perpendicular bisectors**
73
Parabel på Vertex form
74
Defination for logaritmer
75
Gruppe Formel
76
Sidelængder i 30-60-90 Trekant
77
Cirklens Ligning
78
cos(**0o**)
1
79
Omskriv tan(2A)
80
Sammenhæng mellem sinus og cosinus
81
What is this formula used for
**Properbility** of 2 **INDEPENDENT** events happening **together**
82
Omskriv
sin(A+B)
83
Koordinater for Midtpunktet på et Linjestykke
84
What is this?
**A Bar Chart**
85
**Proporties of pallogram**
* **Oppostie** angles are **equal**
* **Oppostie sides** are **equal** and **parallel**
* **Sum** of any **adjecent angles** are **1800**
86
Formel for asymptoter for hyperbel med formel
87
Vinkelsum i polygoner
180(s-2)
Hvor s er antallet af sider
88
Omskriv sin(A/2)
89
Cotangent cot(x)
90
Mathematical **expressions**
91
General Ligning for Elipse
Elipsens centrum er i (h;k)
Elipsens brede (variation på x-aksen) er **2a**
Elipens højde (variation på y-aksen) er **2b**
92
**Truncation**
**Limiting** the **number of digits** **right** of the **decimal point**
93
sin(**30o**)
94
What is this?
**A Frequency Table**
95
Shade in **Venn diagram**
96
sin(**450**)
97
Det n'te tal i en arithmetric sekvens
98
Mathematical **Formula**
A **fact** or **rule** that **uses mathematical symbols**
99
**Reflection**
100
Areal af regulær trekant
101
**Rule** for **determining** if events are **idependent**
102
Translate to words
103
Produkt og koefficent regl for logaritmer
104
Omskriv
sin(A-B)
105
Herons formel for areallet af en trekant
106
Areal af kvadrat ved brug af diagonal
107
Concept of **similarity**
**Equal shape**
108
Ligning for Elipse med centrum i (0,0)
Elipsens brede (variation på x-aksen) er **2a**
Elipens højde (variation på y-aksen) er **2b**
109
Acute Triangle
110
Concept of **congruency**
111
Omskriv cos(A-B)
112
Shade in **Venn diagram**
113
Konverter **fra** xy-koordinater **til** polar koordinater
r2 = x2 + y2
114
**Cuboid**
115
Ændring i procent
116
Secant sec(x)
117
Omskriv
tan(A+B)
118
Mathematical **Identity**
**Equation** which is **true regardless** of what **values**
119
What is this?
**Pie Chart**
120
Konverter **fra** polar koordinater **til** xy-koordinater
121
Convert **ratio** to **fractions**
122
What is what in **scale ratio** on **map**
123
**Range of ungrouped data**
124
**Median of ungrouped data**
125
Sinus relationerne
126
Translate to words
127
sin(**60o**)
128
Distance formel
129
cos(**45o**)
130
Cosinus relationerne
131
Translate to words
132
Sum af første *n* tal i en geometrisk sekvens
r er faktoren, som adskiller to efterfølgende tal i sekvensen
a\_1 er første tal i sekvensen
133
What is this?
**Line Graph for time series**
134
What is this?
**A vertical line chart**
135
Symestriaksen for en parable
136
sin(**90o**)
1
137
cos(**30o**)
138
**Frequency Density**
For a set of **grouped data**
