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SAT Math 2 > Vigtige Formler > Flashcards

Vigtige Formler Flashcards

1
Q

Tangens ud fra sinus og cosinus

A
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2
Q

External Angles

A
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3
Q

cos(60o)

A
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4
Q

Proporties of rhombus

A
  • ALL sides are equal
  • Oposite sides are parallel
  • Diagonals are perpendicular
  • Sum of any adjacent angles are 1800
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5
Q

Sum af første n tal i en arithmetric sekvens

A
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6
Q

How does a Venn diagram with 2 mutual explusive events look like

A
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7
Q

Sum af uendelige geometrisk sekvens

A

r er faktoren, som adskiller to efterfølgende tal i sekvensen

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8
Q

What is this

A

Histogram with unequal class intervals

Area of bar NOT High tells frequency

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9
Q

Omskriv tan(A/2)

A
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10
Q

Formel for produkt af rødder i polynomie

A
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11
Q

Når A+B=90o gælder

A
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12
Q

MODE

A

Ungrouped data

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13
Q

Eksempel på bestemmelse af inversfunktion

Find den inverersefunktion af:

A
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14
Q

cos(90o)

A

0

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15
Q

Defination på “ulige” funktion

A
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16
Q

Shade in Venn diagram

A
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17
Q

What is the funktion

A
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18
Q

Sidelængder i 45-45-60 Trekant, når benene er a lange

(Isoceltrekant)

A
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19
Q

Polar Koordinater

A
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20
Q
  1. What is this
  2. What is it used for
A
  1. Probability Tree
  2. repeated condentional events
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21
Q

Translate to words

A

“Poperbility of B occuring, when A also occurs/has occured”

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22
Q

Obtuse Triangle

A
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23
Q

Pythagoras sammenhænge for cot og csc

A
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24
Q

Omskriv cos(A/2)

A
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25
Q

Mean for ungrouped data

A
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26
Q

Vigtig ting at huske i forhold til sansynlighed

A
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27
Q

Distance Formlen

A
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28
Q

Completing Square

A
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29
Q

Defination på “lige” funktion

A
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30
Q

tan(30o)

A
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31
Q

Sammenhæng mellem buelængde, radius og vinkel i RADIANER

A
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32
Q

tan(60o)

A
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33
Q

Ændring i logaritme base formel

A
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34
Q

tan(45o)

A

1

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35
Q

Mathematical Equations

A

Statement expressesing the equality of two mathematical expressions

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36
Q

How do you grafically represent sets

A

Venn Diagram

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37
Q

Omskriv

tan(A-B)

A
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38
Q

What is this?

A

A pictogram

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39
Q

Proporties of trapezium

A
  • ONLY one pair of opporsite sides are parallel
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40
Q

This is an example of …..

A

an iterative process

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41
Q

Omskriv sin(2A)

A
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42
Q

Pythagoras sammenhænge for

tan og sec

A
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43
Q

Omskriv cos(2A)

A
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44
Q

Translate to words

A

“Poperbility of A occuring, when B also occurs/has occured”

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45
Q

Omskriv

cos(A+B)

A
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46
Q

Cosecant csc(x)

A
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47
Q

Formel for summen af rødder i polynomie

A
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48
Q

Factorize

A
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49
Q

sin(0o)

A

0

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50
Q
  1. , 2. og 3. kvadratsætning
A
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51
Q

Eksponent regl for logaritmer

A
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52
Q

Powerfull toll solving properbility problems with independent events

A
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53
Q

Inversly proportinal

A
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54
Q

Relative expected frequencies is equal to ….

A

Theoretical Probability

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55
Q

Formula for area of a TRAPEZ

A
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56
Q

Collectively Exhaustive Set

A

When at least one of the events must occur

57
Q

Det n’te tal i en geometrisk sekvens

58
Q

Conditional probability rule (Probabilty Tree)

59
Q

ESTIMATE Mean of Grouped data

60
Q

What is this?

A

Two-Way Table / Contingency Table

61
Q

What is this

A

Cumulative Frequency Graph

Drawn by plotting the upper class boundary

62
Q
  1. What is this
  2. What is it used for
A
  1. Probability Tree
  2. repeated independent events
63
Q

Formel for vinkel mellem to linjer i planen

64
Q

What is this

A

Frequency tree

65
Q

Fomula for growth and deacay problems

66
Q

Periode, Amplitude og middellinje for:

67
Q

Formel for asymptoter for hyperbel med formel

68
Q

tan(0o)

69
Q

Amplitude, periode og middellinje for

70
Q

Areal og omkreds af parrallelogram

71
Q

Scalene Triangle

A

ALL sides have different lenths

72
Q

Proporties of Kite

A
  • Combination of 2 isoceles triangles
  • Consecutive sides are equal
  • ONE pair of opporsite angles are congruente
  • Diagonals form perpendicular bisectors
73
Q

Parabel på Vertex form

74
Q

Defination for logaritmer

75
Q

Gruppe Formel

76
Q

Sidelængder i 30-60-90 Trekant

77
Q

Cirklens Ligning

78
Q

cos(0o)

79
Q

Omskriv tan(2A)

80
Q

Sammenhæng mellem sinus og cosinus

81
Q

What is this formula used for

A

Properbility of 2 INDEPENDENT events happening together

82
Q

Omskriv

sin(A+B)

83
Q

Koordinater for Midtpunktet på et Linjestykke

84
Q

What is this?

A

A Bar Chart

85
Q

Proporties of pallogram

A
  • Oppostie angles are equal
  • Oppostie sides are equal and parallel
  • Sum of any adjecent angles are 1800
86
Q

Formel for asymptoter for hyperbel med formel

87
Q

Vinkelsum i polygoner

A

180(s-2)

Hvor s er antallet af sider

88
Q

Omskriv sin(A/2)

89
Q

Cotangent cot(x)

90
Q

Mathematical expressions

91
Q

General Ligning for Elipse

A

Elipsens centrum er i (h;k)

Elipsens brede (variation på x-aksen) er 2a

Elipens højde (variation på y-aksen) er 2b

92
Q

Truncation

A

Limiting the number of digits right of the decimal point

93
Q

sin(30o)

94
Q

What is this?

A

A Frequency Table

95
Q

Shade in Venn diagram

96
Q

sin(450)

97
Q

Det n’te tal i en arithmetric sekvens

98
Q

Mathematical Formula

A

A fact or rule that uses mathematical symbols

99
Q

Reflection

100
Q

Areal af regulær trekant

101
Q

Rule for determining if events are idependent

102
Q

Translate to words

103
Q

Produkt og koefficent regl for logaritmer

104
Q

Omskriv

sin(A-B)

105
Q

Herons formel for areallet af en trekant

106
Q

Areal af kvadrat ved brug af diagonal

107
Q

Concept of similarity

A

Equal shape

108
Q

Ligning for Elipse med centrum i (0,0)

A

Elipsens brede (variation på x-aksen) er 2a

Elipens højde (variation på y-aksen) er 2b

109
Q

Acute Triangle

110
Q

Concept of congruency

111
Q

Omskriv cos(A-B)

112
Q

Shade in Venn diagram

113
Q

Konverter fra xy-koordinater til polar koordinater

A

r2 = x2 + y2

114
Q

Cuboid

115
Q

Ændring i procent

116
Q

Secant sec(x)

117
Q

Omskriv

tan(A+B)

118
Q

Mathematical Identity

A

Equation which is true regardless of what values

119
Q

What is this?

120
Q

Konverter fra polar koordinater til xy-koordinater

121
Q

Convert ratio to fractions

122
Q

What is what in scale ratio on map

123
Q

Range of ungrouped data

124
Q

Median of ungrouped data

125
Q

Sinus relationerne

126
Q

Translate to words

127
Q

sin(60o)

128
Q

Distance formel

129
Q

cos(45o)

130
Q

Cosinus relationerne

131
Q

Translate to words

132
Q

Sum af første n tal i en geometrisk sekvens

A

r er faktoren, som adskiller to efterfølgende tal i sekvensen

a_1 er første tal i sekvensen

133
Q

What is this?

A

Line Graph for time series

134
Q

What is this?

A

A vertical line chart

135
Q

Symestriaksen for en parable

136
Q

sin(90o)

137
Q

cos(30o)

138
Q

Frequency Density

A

For a set of grouped data

SAT Math 2 (2 decks)

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