Trigonometriopgave | Desmos

Expression 17: alpha equals sine to the negative 1st power left parenthesis, StartFraction, "x" Subscript, 1 , Baseline Over 4 , EndFraction , right parenthesis

equals

41.4 0 9 6 2 2 1 0 9 3

17

Altså er vinkel

18

Expression 19: "A" equals 2 alpha

equals

82.8 1 9 2 4 4 2 1 8 5

19

Eftersom

20

Expression 21: tangent left parenthesis, 2 "a" , right parenthesis equals StartFraction, "a" Over 3 , EndFraction

21

er vinkel A's modstående side

22

Expression 23: "a" equals 3tangent "A"

equals

23.8 1 1 7 6 1 7 9 9 6

23

Dermed er hypotenusen

24

Expression 25: "c" equals StartRoot, "b" squared plus "a" squared , EndRoot

equals

24

25

Da vi kender vinklerne A og C,

26

kan vinkel B beregnes sådan:

27

Expression 28: "B" equals 180 minus "A" minus "C"

equals

7.1 8 0 7 5 5 7 8 1 4 6

28

Vinkelhalveringslinje

29

Expression 30: left parenthesis, "b" "t" , "x" Subscript, 1 , Baseline "t" , right parenthesis

0

domain t Minimum:

less than or equal to "t" less than or equal to

1

domain t Maximum:

30

Toppunktskoordinater

31

Trekant

38

Punkter

42

47

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powered by

A

B

C

x₁ = 2.6457513

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