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VISUAL THINKING TRIGONOMETRIA
Aritz Altolaguirre
Created on February 11, 2024
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Transcript
VISUAL THINKING TRIGONOMETRIA
Aritz Altolaguirre
Pitagorasen teorema
Arrazoi trigonometrikoak
Bektoreak
Bektoreen batuketak eta kenketak
u-v
Beste aldeko katetoa
Alde bereko katetoa
Hipotenusa
u(1,3)
1j + 3i
sinα = Beste aldea Hipotenusa
u+v
cosα = Alde berdina Hipotenusa
-1
Modulua: IuI = (1e2 + 3e2)e1/2 = 3,162
tanα = Beste aldea Alde berdina
Norabidea: α = (tan)e-1 1/3 = 18º
Ae2 = Be2 + Ce2
u+v = 1+1, 1-1 = 2,0
Noranzkoa: eskuina
u-v = 1 -(+1), 1-(-1) = 0, 2
Sinuaren teorema
Cosinuaren teorema
Bektoreen biderketak
Bektoreen ekuazioak
(1, -1), u(2,4)
u = (2, 4)
v = (3, 1)
Ekuazio orokorra
Ekuazio parametrikoa:
x = 1 + 2λ y = -1 + 4λ
y = 4x -6
1. x1 · x2 + y1 · y2 2·3 + 4·1 = 10
Ekuazio jarraitua:
Ekuazio inplizitua
Ae2 = Be2 + Ce2 -2bc · cosα
x -1 = y + 1 2 4
4x -y -6 = 0
A = B = C sinα sinβ sinγ
1. IuI · IvI · cosα4,47 · 3,16 · cos α
Be2 = Ae2 + Ce2 -2ac · cosβ
Ce2 = Ae2 + Be2 -2ab · cosγ