Vigtige Formler Flashcards
Tangens ud fra sinus og cosinus
External Angles
cos(60o)
Proporties of rhombus
- ALL sides are equal
- Oposite sides are parallel
- Diagonals are perpendicular
- Sum of any adjacent angles are 1800
Sum af første n tal i en arithmetric sekvens
How does a Venn diagram with 2 mutual explusive events look like
Sum af uendelige geometrisk sekvens
r er faktoren, som adskiller to efterfølgende tal i sekvensen
What is this
Histogram with unequal class intervals
Area of bar NOT High tells frequency
Omskriv tan(A/2)
Formel for produkt af rødder i polynomie
Når A+B=90o gælder
MODE
Ungrouped data
Eksempel på bestemmelse af inversfunktion
Find den inverersefunktion af:
cos(90o)
0
Defination på “ulige” funktion
Shade in Venn diagram
What is the funktion
Sidelængder i 45-45-60 Trekant, når benene er a lange
(Isoceltrekant)
Polar Koordinater
- What is this
- What is it used for
- Probability Tree
- repeated condentional events
Translate to words
“Poperbility of B occuring, when A also occurs/has occured”
Obtuse Triangle
Pythagoras sammenhænge for cot og csc
Omskriv cos(A/2)
Mean for ungrouped data
Vigtig ting at huske i forhold til sansynlighed
Distance Formlen
Completing Square
Defination på “lige” funktion
tan(30o)
Sammenhæng mellem buelængde, radius og vinkel i RADIANER
tan(60o)
Ændring i logaritme base formel
tan(45o)
1
Mathematical Equations
Statement expressesing the equality of two mathematical expressions
How do you grafically represent sets
Venn Diagram
Omskriv
tan(A-B)
What is this?
A pictogram
Proporties of trapezium
- ONLY one pair of opporsite sides are parallel
This is an example of …..
an iterative process
Omskriv sin(2A)
Pythagoras sammenhænge for
tan og sec
Omskriv cos(2A)
Translate to words
“Poperbility of A occuring, when B also occurs/has occured”
Omskriv
cos(A+B)
Cosecant csc(x)
Formel for summen af rødder i polynomie
Factorize
sin(0o)
0
- , 2. og 3. kvadratsætning
Eksponent regl for logaritmer
Powerfull toll solving properbility problems with independent events
Inversly proportinal
Relative expected frequencies is equal to ….
Theoretical Probability
Formula for area of a TRAPEZ