Update

sin.md

@@ -4,7 +4,7 @@ Sine, abbreviated *sin*, is a [trigonometric](trigonometry.md) [function](functi
 
 The function is most commonly defined using a right triangle as follows. Consider the following triangle:
 
-```           
+```
           /|
          / |
         /  |
@@ -26,8 +26,8 @@ The graph of the sine function is following:
                 1_|_
                   |     .--'''--.
       -1/2 pi     | _.''         ''._        3/2 pi
-.________|________.'________|________'|________|________.' --> x          
- '._     |     _.'|0        |         |'._     |     _.'|     
+.________|________.'________|________'|________|________.' --> x
+ '._     |     _.'|0        |         |'._     |     _.'|
     ''--___--''  _|_      1/2 pi      pi  ''--___--''  2 pi
                -1 |
 ```
@@ -86,7 +86,7 @@ unsigned char sin8(unsigned char x)
     a -= 128;
     flip = 1;
   }
-  
+
   if (a > 63)
     a = 128 - a;
 
@@ -157,26 +157,26 @@ Furthermore there exist other nice approximations, such as the extremely accurat
 /* Integer sine using Bhaskara's approx. Returns a number
 in <-UNIT, UNIT> interval. Argument is in radians * UNIT. */
 
-int sinInt(int x)  
+int sinInt(int x)
 {
   int sign = 1;
-    
+
   if (x < 0) // odd function
   {
     x *= -1;
     sign = -1;
   }
-    
+
   x %= 2 * PI;
-  
+
   if (x > PI)
   {
     x -= PI;
     sign *= -1;
   }
-    
+
   x *= PI - x;
-  
+
   return sign * (16 * x) / ((5 * PI * PI - 4 * x) / UNIT);
 }
-```
+```