From 16b87c539c64c3497650f287fcb7c29bff976225 Mon Sep 17 00:00:00 2001
From: Kvmilos <kamiltomaszek@icloud.com>
Date: Sun, 9 Feb 2025 14:58:10 +0100
Subject: [PATCH] readded files that i deleted by mistake

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 glossary/cos/README-vi.md | 21 +++++++++++++++++++++
 glossary/cos/README.md    | 21 +++++++++++++++++++++
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 create mode 100644 glossary/cos/README-ua.md
 create mode 100644 glossary/cos/README-vi.md
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diff --git a/glossary/cos/README-ua.md b/glossary/cos/README-ua.md
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+## cos
+Повертає косинус параметра
+
+### Оголошення
+```glsl
+float cos(float angle)  
+vec2 cos(vec2 angle)  
+vec3 cos(vec3 angle)  
+vec4 cos(vec4 angle)
+```
+
+### Параметри
+**```angle```** — величина в радіанах, косинус якої потрібно повернути.
+
+### Опис
+**```cos()```** повертає тригонометричний косинус кута.
+
+<div class="simpleFunction" data="y = cos(x);"></div>
+
+### Дивіться також
+[acos](/glossary/?lan=ua&search=acos), [sin](/glossary/?lan=ua&search=sin), [asin](/glossary/?lan=ua&search=asin), [tan](/glossary/?lan=ua&search=tan), [atan](/glossary/?lan=ua&search=atan), [Розділ 05: Формотворчі функції](/05/?lan=ua)
diff --git a/glossary/cos/README-vi.md b/glossary/cos/README-vi.md
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+## Cos
+Tính hàm cosine của 1 góc lượng giác
+
+### Các phiên bản
+```glsl
+float cos(float angle)  
+vec2 cos(vec2 angle)  
+vec3 cos(vec3 angle)  
+vec4 cos(vec4 angle)
+```
+
+### Các tham số
+```angle``` góc lượng giác (đơn vị radian) cần tính cosine
+
+### Mô tả
+```cos()``` trả về giá trị cosine tương ứng với góc ```angle```
+
+<div class="simpleFunction" data="y = cos(x); "></div>
+
+### Tham khảo thêm
+[acos](/glossary/?lan=vi&search=acos), [sin](/glossary/?lan=vi&search=sin), [asin](/glossary/?lan=vi&search=asin), [tan](/glossary/?lan=vi&search=tan), [atan](/glossary/?lan=vi&search=atan), [Các hàm số cơ bản (Hàm hình dạng - Shape function)](/05/?lan=vi)
diff --git a/glossary/cos/README.md b/glossary/cos/README.md
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+## Cos
+Return the cosine of the parameter
+
+### Declaration
+```glsl
+float cos(float angle)  
+vec2 cos(vec2 angle)  
+vec3 cos(vec3 angle)  
+vec4 cos(vec4 angle)
+```
+
+### Parameters
+```angle``` specify the quantity, in radians, of which to return the cosine.
+
+### Description
+```cos()``` returns the trigonometric cosine of angle.
+
+<div class="simpleFunction" data="y = cos(x); "></div>
+
+### See Also
+[acos](/glossary/?search=acos), [sin](/glossary/?search=sin), [asin](/glossary/?search=asin), [tan](/glossary/?search=tan), [atan](/glossary/?search=atan), [Chapter 05: Shaping Functions](/05/)