Formler

Question 0

Enpunktsformeln

Answer 0

y - y0 = k(x-x0)

Question 1

Avståndsformeln

Answer 1

d = sqrt( ((x2-x1)^2) + ((y2-y1)^2) )

Question 2

Tvåpunktsformeln

Answer 2

y-y1 = ((y2 - y1)/(x2-x1))(x-x1)

Question 3

Cirkelns ekvation

Answer 3

((x-x0)^2) + ((y-y0)^2) = r^2

Question 4

Enhetscirkelns ekvation

Answer 4

(x^2) + (y^2) = 1

Question 5

Trigonometriska ettan (trigg-ettan)

Answer 5

sin^2x + cos^2x = 1

Question 6

Sinussatsen

Answer 6

sinA/a = sinB/b = sinC/c

Question 7

cosinussatsen

Answer 7

c^2 = a^2 + b^2 - 2abcosC

Question 8

Areasatsen

Answer 8

T = bcsinA/2 = basinC/2