diff --git a/runelite-api/src/main/java/net/runelite/api/Perspective.java b/runelite-api/src/main/java/net/runelite/api/Perspective.java
index 154a47f9e3..559d5b9835 100644
--- a/runelite-api/src/main/java/net/runelite/api/Perspective.java
+++ b/runelite-api/src/main/java/net/runelite/api/Perspective.java
@@ -26,15 +26,16 @@ package net.runelite.api;
 
 public class Perspective
 {
-	public static final int[] SINE = new int[2048];
-	public static final int[] COSINE = new int[2048];
+	private static final double UNIT = Math.PI / 1024d; // How much of the circle each unit of SINE/COSINE is
+	public static final int[] SINE = new int[2048]; // sine angles for each of the 2048 units, * 65536 and stored as an int
+	public static final int[] COSINE = new int[2048]; // cosine
 
 	static
 	{
 		for (int i = 0; i < 2048; ++i)
 		{
-			SINE[i] = (int) (65536.0D * Math.sin((double) i * 0.0030679615D));
-			COSINE[i] = (int) (65536.0D * Math.cos((double) i * 0.0030679615D));
+			SINE[i] = (int) (65536.0D * Math.sin((double) i * UNIT));
+			COSINE[i] = (int) (65536.0D * Math.cos((double) i * UNIT));
 		}
 	}