theme: Restore deduplication logic for related items

Author: jmooring

content/en/content-management/syntax-highlighting.md

@@ -2,7 +2,7 @@
 title: Syntax highlighting
 description: Add syntax highlighting to code examples.
 categories: []
-keywords: []
+keywords: [highlight]
 aliases: [/extras/highlighting/,/extras/highlight/,/tools/syntax-highlighting/]
 ---
 

content/en/functions/math/Acos.md

@@ -2,7 +2,7 @@
 title: math.Acos
 description: Returns the arccosine, in radians, of the given number.
 categories: []
-keywords: [trigonometry]
+keywords: []
 params:
   functions_and_methods:
     aliases: []

content/en/functions/math/Asin.md

@@ -2,7 +2,7 @@
 title: math.Asin
 description: Returns the arcsine, in radians, of the given number.
 categories: []
-keywords: [trigonometry]
+keywords: []
 params:
   functions_and_methods:
     aliases: []

content/en/functions/math/Atan.md

@@ -2,7 +2,7 @@
 title: math.Atan
 description: Returns the arctangent, in radians, of the given number.
 categories: []
-keywords: [trigonometry]
+keywords: []
 params:
   functions_and_methods:
     aliases: []

content/en/functions/math/Atan2.md

@@ -2,7 +2,7 @@
 title: math.Atan2
 description: Returns the arctangent, in radians, of the given number pair, determining the correct quadrant from their signs.
 categories: []
-keywords: [trigonometry]
+keywords: []
 params:
   functions_and_methods:
     aliases: []

content/en/functions/math/Cos.md

@@ -2,7 +2,7 @@
 title: math.Cos
 description: Returns the cosine of the given radian number.
 categories: []
-keywords: [trigonometry]
+keywords: []
 params:
   functions_and_methods:
     aliases: []

content/en/functions/math/Pi.md

@@ -2,7 +2,7 @@
 title: math.Pi
 description: Returns the mathematical constant pi.
 categories: []
-keywords: [trigonometry]
+keywords: []
 params:
   functions_and_methods:
     aliases: []

content/en/functions/math/Sin.md

@@ -2,7 +2,7 @@
 title: math.Sin
 description: Returns the sine of the given radian number.
 categories: []
-keywords: [trigonometry]
+keywords: []
 params:
   functions_and_methods:
     aliases: []

content/en/functions/math/Tan.md

@@ -2,7 +2,7 @@
 title: math.Tan
 description: Returns the tangent of the given radian number.
 categories: []
-keywords: [trigonometry]
+keywords: []
 params:
   functions_and_methods:
     aliases: []

content/en/functions/math/ToDegrees.md

@@ -2,7 +2,7 @@
 title: math.ToDegrees
 description: ToDegrees converts radians into degrees.
 categories: []
-keywords: [trigonometry]
+keywords: []
 params:
   functions_and_methods:
     aliases: []