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commit 5da1372ea5bc44ea8f0fd284c0c9fa2ee35066a7
Author: BiteTheDDDDt <x...@selectdb.com>
AuthorDate: Tue Jul 8 14:26:55 2025 +0800

    add cot/sec/cosec
---
 .../scalar-functions/numeric-functions/cosec.md    | 40 ++++++++++++++++++++++
 .../scalar-functions/numeric-functions/cot.md      | 40 ++++++++++++++++++++++
 .../scalar-functions/numeric-functions/sec.md      | 40 ++++++++++++++++++++++
 .../scalar-functions/numeric-functions/cosec.md    | 40 ++++++++++++++++++++++
 .../scalar-functions/numeric-functions/cot.md      | 40 ++++++++++++++++++++++
 .../scalar-functions/numeric-functions/sec.md      | 40 ++++++++++++++++++++++
 sidebars.json                                      |  5 ++-
 7 files changed, 244 insertions(+), 1 deletion(-)

diff --git 
a/docs/sql-manual/sql-functions/scalar-functions/numeric-functions/cosec.md 
b/docs/sql-manual/sql-functions/scalar-functions/numeric-functions/cosec.md
new file mode 100644
index 00000000000..1139abeec52
--- /dev/null
+++ b/docs/sql-manual/sql-functions/scalar-functions/numeric-functions/cosec.md
@@ -0,0 +1,40 @@
+---
+{
+    "title": "COSEC",
+    "language": "en"
+}
+---
+
+## Description
+
+Returns the cosecant of x, where x is the value in radians.
+
+## Syntax
+
+```sql
+COSEC(<x>)
+```
+
+## Parameters
+
+| Parameter | Description |
+| -- | -- |
+| `<x>` | The value for which the cosecant is to be calculated |
+
+## Return Value
+
+Returns the cosecant of x.
+
+## Example
+
+```sql
+select cosec(1),cosec(2),cosec(1000);
+```
+
+```text
++--------------------+--------------------+------------------+
+| cosec(1)           | cosec(2)           | cosec(1000)      |
++--------------------+--------------------+------------------+
+| 1.1883951057781212 | 1.0997501702946164 | 1.20936599707935 |
++--------------------+--------------------+------------------+
+```
diff --git 
a/docs/sql-manual/sql-functions/scalar-functions/numeric-functions/cot.md 
b/docs/sql-manual/sql-functions/scalar-functions/numeric-functions/cot.md
new file mode 100644
index 00000000000..ca9f0c4408f
--- /dev/null
+++ b/docs/sql-manual/sql-functions/scalar-functions/numeric-functions/cot.md
@@ -0,0 +1,40 @@
+---
+{
+    "title": "COT",
+    "language": "en"
+}
+---
+
+## Description
+
+Returns the cotangent of x, where x is the value in radians.
+
+## Syntax
+
+```sql
+COT(<x>)
+```
+
+## Parameters
+
+| Parameter | Description |
+| -- | -- |
+| `<x>` | The value for which the cotangent is to be calculated |
+
+## Return Value
+
+Returns the cotangent of x.
+
+## Example
+
+```sql
+select cot(1),cot(2),cot(1000);
+```
+
+```text
++--------------------+----------------------+--------------------+
+| cot(1)             | cot(2)               | cot(1000)          |
++--------------------+----------------------+--------------------+
+| 0.6420926159343306 | -0.45765755436028577 | 0.6801221323348698 |
++--------------------+----------------------+--------------------+
+```
diff --git 
a/docs/sql-manual/sql-functions/scalar-functions/numeric-functions/sec.md 
b/docs/sql-manual/sql-functions/scalar-functions/numeric-functions/sec.md
new file mode 100644
index 00000000000..d59feb91f65
--- /dev/null
+++ b/docs/sql-manual/sql-functions/scalar-functions/numeric-functions/sec.md
@@ -0,0 +1,40 @@
+---
+{
+    "title": "SEC",
+    "language": "en"
+}
+---
+
+## Description
+
+Returns the secant of x, where x is the value in radians.
+
+## Syntax
+
+```sql
+SEC(<x>)
+```
+
+## Parameters
+
+| Parameter | Description |
+| -- | -- |
+| `<x>` | The value for which the secant is to be calculated |
+
+## Return Value
+
+Returns the secant of x.
+
+## Example
+
+```sql
+select sec(1),sec(2),sec(1000);
+```
+
+```text
++--------------------+--------------------+--------------------+
+| sec(1)             | sec(2)             | sec(1000)          |
++--------------------+--------------------+--------------------+
+| 1.8508157176809255 | -2.402997961722381 | 1.7781600385912715 |
++--------------------+--------------------+--------------------+
+```
diff --git 
a/i18n/zh-CN/docusaurus-plugin-content-docs/current/sql-manual/sql-functions/scalar-functions/numeric-functions/cosec.md
 
b/i18n/zh-CN/docusaurus-plugin-content-docs/current/sql-manual/sql-functions/scalar-functions/numeric-functions/cosec.md
new file mode 100644
index 00000000000..3ba9ab37518
--- /dev/null
+++ 
b/i18n/zh-CN/docusaurus-plugin-content-docs/current/sql-manual/sql-functions/scalar-functions/numeric-functions/cosec.md
@@ -0,0 +1,40 @@
+---
+{
+    "title": "COSEC",
+    "language": "zh-CN"
+}
+---
+
+## 描述
+
+返回 x 的余割值,x 为弧度值
+
+## 语法
+
+```sql
+COSEC(<x>)
+```
+
+## 参数
+
+| 参数 | 说明 |
+| -- | -- |
+| `<x>` | 需要被计算余割值的值 |
+
+## 返回值
+
+返回 x 的余割值
+
+## 举例
+
+```sql
+select cosec(1),cosec(2),cosec(1000);
+```
+
+```text
++--------------------+--------------------+------------------+
+| cosec(1)           | cosec(2)           | cosec(1000)      |
++--------------------+--------------------+------------------+
+| 1.1883951057781212 | 1.0997501702946164 | 1.20936599707935 |
++--------------------+--------------------+------------------+
+```
diff --git 
a/i18n/zh-CN/docusaurus-plugin-content-docs/current/sql-manual/sql-functions/scalar-functions/numeric-functions/cot.md
 
b/i18n/zh-CN/docusaurus-plugin-content-docs/current/sql-manual/sql-functions/scalar-functions/numeric-functions/cot.md
new file mode 100644
index 00000000000..b7f9a17285e
--- /dev/null
+++ 
b/i18n/zh-CN/docusaurus-plugin-content-docs/current/sql-manual/sql-functions/scalar-functions/numeric-functions/cot.md
@@ -0,0 +1,40 @@
+---
+{
+    "title": "COT",
+    "language": "zh-CN"
+}
+---
+
+## 描述
+
+返回 x 的余切值,x 为弧度值
+
+## 语法
+
+```sql
+COT(<x>)
+```
+
+## 参数
+
+| 参数 | 说明 |
+| -- | -- |
+| `<x>` | 需要被计算余切值的值 |
+
+## 返回值
+
+返回 x 的余切值
+
+## 举例
+
+```sql
+select cot(1),cot(2),cot(1000);
+```
+
+```text
++--------------------+----------------------+--------------------+
+| cot(1)             | cot(2)               | cot(1000)          |
++--------------------+----------------------+--------------------+
+| 0.6420926159343306 | -0.45765755436028577 | 0.6801221323348698 |
++--------------------+----------------------+--------------------+
+```
diff --git 
a/i18n/zh-CN/docusaurus-plugin-content-docs/current/sql-manual/sql-functions/scalar-functions/numeric-functions/sec.md
 
b/i18n/zh-CN/docusaurus-plugin-content-docs/current/sql-manual/sql-functions/scalar-functions/numeric-functions/sec.md
new file mode 100644
index 00000000000..d618701660e
--- /dev/null
+++ 
b/i18n/zh-CN/docusaurus-plugin-content-docs/current/sql-manual/sql-functions/scalar-functions/numeric-functions/sec.md
@@ -0,0 +1,40 @@
+---
+{
+    "title": "SEC",
+    "language": "zh-CN"
+}
+---
+
+## 描述
+
+返回 x 的正割值,x 为弧度值
+
+## 语法
+
+```sql
+SEC(<x>)
+```
+
+## 参数
+
+| 参数 | 说明 |
+| -- | -- |
+| `<x>` | 需要被计算正割值的值 |
+
+## 返回值
+
+返回 x 的正割值
+
+## 举例
+
+```sql
+select sec(1),sec(2),sec(1000);
+```
+
+```text
++--------------------+--------------------+--------------------+
+| sec(1)             | sec(2)             | sec(1000)          |
++--------------------+--------------------+--------------------+
+| 1.8508157176809255 | -2.402997961722381 | 1.7781600385912715 |
++--------------------+--------------------+--------------------+
+```
diff --git a/sidebars.json b/sidebars.json
index 2ad7a097c0a..a9fc84f5fa7 100644
--- a/sidebars.json
+++ b/sidebars.json
@@ -1086,7 +1086,9 @@
                                         
"sql-manual/sql-functions/scalar-functions/numeric-functions/ceil",
                                         
"sql-manual/sql-functions/scalar-functions/numeric-functions/conv",
                                         
"sql-manual/sql-functions/scalar-functions/numeric-functions/cos",
+                                        
"sql-manual/sql-functions/scalar-functions/numeric-functions/cosec",
                                         
"sql-manual/sql-functions/scalar-functions/numeric-functions/cosh",
+                                        
"sql-manual/sql-functions/scalar-functions/numeric-functions/cot",
                                         
"sql-manual/sql-functions/scalar-functions/numeric-functions/degrees",
                                         
"sql-manual/sql-functions/scalar-functions/numeric-functions/e",
                                         
"sql-manual/sql-functions/scalar-functions/numeric-functions/exp",
@@ -1109,6 +1111,7 @@
                                         
"sql-manual/sql-functions/scalar-functions/numeric-functions/random",
                                         
"sql-manual/sql-functions/scalar-functions/numeric-functions/round",
                                         
"sql-manual/sql-functions/scalar-functions/numeric-functions/round-bankers",
+                                        
"sql-manual/sql-functions/scalar-functions/numeric-functions/sec",
                                         
"sql-manual/sql-functions/scalar-functions/numeric-functions/sign",
                                         
"sql-manual/sql-functions/scalar-functions/numeric-functions/sin",
                                         
"sql-manual/sql-functions/scalar-functions/numeric-functions/sinh",
@@ -1314,7 +1317,7 @@
                                         
"sql-manual/sql-functions/scalar-functions/date-time-functions/year",
                                         
"sql-manual/sql-functions/scalar-functions/date-time-functions/year-ceil",
                                         
"sql-manual/sql-functions/scalar-functions/date-time-functions/year-floor",
-
+                                        
"sql-manual/sql-functions/scalar-functions/date-time-functions/year-of-week",
                                         
"sql-manual/sql-functions/scalar-functions/date-time-functions/yearweek",
                                         
"sql-manual/sql-functions/scalar-functions/date-time-functions/years-add",
                                         
"sql-manual/sql-functions/scalar-functions/date-time-functions/years-diff",


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