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Daniel Bulant 2023-04-19 10:17:05 +02:00
parent 40c3471379
commit eb393f541c
3 changed files with 17 additions and 7 deletions
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4
notes/.obsidian/plugins/obsidian-activity-history/data.json vendored
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@ -13,7 +13,7 @@
{ {
"path": "/", "path": "/",
"date": "2023-04-19", "date": "2023-04-19",
"size": 1018248 "size": 1018524
} }
], ],
"activityHistory": [ "activityHistory": [
@ -1182,7 +1182,7 @@
}, },
{ {
"date": "2023-04-19", "date": "2023-04-19",
"value": 2351 "value": 2627
} }
] ]
} }

8
notes/.obsidian/plugins/various-complements/data.json vendored
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@ -258,16 +258,16 @@
"\\frac{b^2+c^2-a^2}{2bc}": { "\\frac{b^2+c^2-a^2}{2bc}": {
"\\frac{b^2+c^2-a^2}{2bc}": { "\\frac{b^2+c^2-a^2}{2bc}": {
"currentFile": { "currentFile": {
"count": 1, "count": 2,
"lastUpdated": 1681891095567 "lastUpdated": 1681892107949
} }
} }
}, },
"\\frac{a^2+b^2-c^2}{2ab}": { "\\frac{a^2+b^2-c^2}{2ab}": {
"\\frac{a^2+b^2-c^2}{2ab}": { "\\frac{a^2+b^2-c^2}{2ab}": {
"currentFile": { "currentFile": {
"count": 1, "count": 2,
"lastUpdated": 1681891398296 "lastUpdated": 1681891896927
} }
} }
} }

12
notes/mat/Trigonometrie/Kosinová věta.md
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@ -72,4 +72,14 @@ $b^2=a^2+c^2-2ac\cos\beta$
$b^2=7^2+12^2-2*7*12\cos124\degree$ $b^2=7^2+12^2-2*7*12\cos124\degree$
$b^2=49+144-168*(-0.5)$ $b^2=49+144-168*(-0.5)$
$b^2=277$ $b^2=277$
$b=16.6cm$ $b\dot=16.6cm$
$\cos\gamma=\frac{a^2+b^2-c^2}{2ab}$
$\cos\gamma=\frac{7^2+16.6^2-12^2}{2*7*16.6}$
$\cos\gamma=\frac{180.56}{232.4}$
$\gamma\dot=39\degree$
$\cos\alpha=\frac{b^2+c^2-a^2}{2bc}$
$\cos\alpha=\frac{16.6^2+12^2-7^2}{2*16.6*12}$
$\cos\alpha=\frac{370.56}{398.4}$
$\alpha\dot=21\degree$