III gimnazjum

Policzmy to razem 3

Rozwiązanie 1

Sprawdzamy kolejno podpunkty a) sin45o=22<svg xmlns="http://www.w3.org/2000/svg" width='400em' height='1.08em' viewBox='0 0 400000 1080' preserveAspectRatio='xMinYMin slice'><path d='M95,702
c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5,-10,-9.5,-14
c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54
c44.2,-33.3,65.8,-50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10
s173,378,173,378c0.7,0,35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429
c69,-144,104.5,-217.7,106.5,-221
l0 -0
c5.3,-9.3,12,-14,20,-14
H400000v40H845.2724
s-225.272,467,-225.272,467s-235,486,-235,486c-2.7,4.7,-9,7,-19,7
c-6,0,-10,-1,-12,-3s-194,-422,-194,-422s-65,47,-65,47z
M834 80h400000v40h-400000z'/></svg>​​ cos45o=22<svg xmlns="http://www.w3.org/2000/svg" width='400em' height='1.08em' viewBox='0 0 400000 1080' preserveAspectRatio='xMinYMin slice'><path d='M95,702
c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5,-10,-9.5,-14
c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54
c44.2,-33.3,65.8,-50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10
s173,378,173,378c0.7,0,35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429
c69,-144,104.5,-217.7,106.5,-221
l0 -0
c5.3,-9.3,12,-14,20,-14
H400000v40H845.2724
s-225.272,467,-225.272,467s-235,486,-235,486c-2.7,4.7,-9,7,-19,7
c-6,0,-10,-1,-12,-3s-194,-422,-194,-422s-65,47,-65,47z
M834 80h400000v40h-400000z'/></svg>​​ sin45o=cos45o

<img src="https://prod.odrabiamy-assets.pl/uploads/content_image/image/31558/WxpekgtN5VjaAs3nWHT0Kw%3D%3D_7b709827ff42c026a5f65ac0c4286f486fe3981d4f52e780ad36c08189bdda5f.jpg" width="669" height="376"> tgα=31​ tgα=x6​ 31​=x6​

Wprowadzamy dodatkowe oznaczenia boków trójkąta prostokątnego (którego przeciwprostokątna pokrywa się z krawędzią ostrosłupa)- oznaczenia jego przyprostokątnych - x i y. <img src="https://prod.odrabiamy-assets.pl/uploads/content_image/image/31559/HYJwMm1KXYbDqG8fYDUl6A%3D%3D_f649f2454f544c6f0fc105fae7d4021516e7c5d072a3ed90cccf4065b9648dbc.jpg"> sinα=15x​ sinα=0,4 0,4=15x​     /⋅15 x=0,4⋅15 x=6

Najwygodniejszy sposób nauki z edukacyjnym Odrabiamy AI

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