[Edit] PHP: sin() (#6839)

Author: Sriparno08

content/php/concepts/math-functions/terms/sin/sin.md

@@ -1,6 +1,6 @@
 ---
 Title: 'sin()'
-Description: 'Returns the sine of a given angle.'
+Description: 'Computes the sine trigonometric function of an angle expressed in radians.'
 Subjects:
   - 'Computer Science'
   - 'Web Development'