diff --git a/Libraries/LibM/math.h b/Libraries/LibM/math.h
index 2783f1af59..571f11f01f 100644
--- a/Libraries/LibM/math.h
+++ b/Libraries/LibM/math.h
@@ -35,8 +35,10 @@ __BEGIN_DECLS
 #define NAN __builtin_nan("")
 #define M_E 2.718281828459045
 #define M_PI 3.141592653589793
-#define M_PI_2 (M_PI / 2)
-#define M_TAU (M_PI * 2)
+#define M_PI_2 1.570796326794896
+#define M_TAU 6.283185307179586
+#define M_DEG2RAD 0.017453292519943
+#define M_RAD2DEG 57.29577951308232
 #define M_LN2 0.69314718055995
 #define M_LN10 2.30258509299405
 #define M_SQRT2 1.4142135623730951