diff --git a/src/game/bondmove.c b/src/game/bondmove.c
index d7ed0b371..bfc75693b 100644
--- a/src/game/bondmove.c
+++ b/src/game/bondmove.c
@@ -5414,8 +5414,8 @@ void func0f0cbf50(void)
 		g_Vars.currentplayer->vv_verta = -90;
 	}
 
-	g_Vars.currentplayer->vv_costheta = cosf(DEG2RAD(g_Vars.currentplayer->vv_theta));
-	g_Vars.currentplayer->vv_sintheta = sinf(DEG2RAD(g_Vars.currentplayer->vv_theta));
+	g_Vars.currentplayer->vv_costheta = cosf(BADDEG2RAD(g_Vars.currentplayer->vv_theta));
+	g_Vars.currentplayer->vv_sintheta = sinf(BADDEG2RAD(g_Vars.currentplayer->vv_theta));
 
 	g_Vars.currentplayer->vv_verta360 = g_Vars.currentplayer->vv_verta;
 
@@ -5423,8 +5423,8 @@ void func0f0cbf50(void)
 		g_Vars.currentplayer->vv_verta360 += 360;
 	}
 
-	g_Vars.currentplayer->vv_cosverta = cosf(DEG2RAD(g_Vars.currentplayer->vv_verta360));
-	g_Vars.currentplayer->vv_sinverta = sinf(DEG2RAD(g_Vars.currentplayer->vv_verta360));
+	g_Vars.currentplayer->vv_cosverta = cosf(BADDEG2RAD(g_Vars.currentplayer->vv_verta360));
+	g_Vars.currentplayer->vv_sinverta = sinf(BADDEG2RAD(g_Vars.currentplayer->vv_verta360));
 
 	g_Vars.currentplayer->bond2.unk00.x = -g_Vars.currentplayer->vv_sintheta;
 	g_Vars.currentplayer->bond2.unk00.y = 0;
@@ -5434,7 +5434,7 @@ void func0f0cbf50(void)
 		struct chrdata *chr = g_Vars.currentplayer->prop->chr;
 
 		if (chr && chr->animdata) {
-			func0f03e538(chr, DEG2RAD(360 - g_Vars.currentplayer->vv_theta));
+			func0f03e538(chr, BADDEG2RAD(360 - g_Vars.currentplayer->vv_theta));
 		}
 	}
 }
@@ -5512,7 +5512,7 @@ void func0f0cc3b8(f32 arg0, f32 arg1, f32 arg2, f32 *arg3, f32 arg4)
 	}
 
 	func0f1138a4(sp244, arg2);
-	func000162e8(DEG2RAD(360 - g_Vars.currentplayer->vv_verta360), sp180);
+	func000162e8(BADDEG2RAD(360 - g_Vars.currentplayer->vv_verta360), sp180);
 
 	if (optionsGetHeadRoll(g_Vars.currentplayerstats->mpindex)) {
 		func00016d58(sp116,
@@ -5522,7 +5522,7 @@ void func0f0cc3b8(f32 arg0, f32 arg1, f32 arg2, f32 *arg3, f32 arg4)
 		func000159fc(sp116, sp180);
 	}
 
-	func00016374(DEG2RAD(360 - g_Vars.currentplayer->vv_theta), sp116);
+	func00016374(BADDEG2RAD(360 - g_Vars.currentplayer->vv_theta), sp116);
 	func000159fc(sp116, sp180);
 
 	if (arg3) {
diff --git a/src/game/chr/chraction.c b/src/game/chr/chraction.c
index a6f9d6fbb..e0fb179ec 100644
--- a/src/game/chr/chraction.c
+++ b/src/game/chr/chraction.c
@@ -913,7 +913,7 @@ bool chrFaceCover(struct chrdata *chr)
 	chr->act_stand.unk038 = 0;
 	chr->act_stand.face_entitytype = ENTITYTYPE_DIRECTION;
 	chr->act_stand.unk03c = 1;
-	//chr->act_stand.face_entityid = func0f096750(-cover.look->x, -cover.look->z) * (0x4000 / DEG2RAD(90));
+	//chr->act_stand.face_entityid = func0f096750(-cover.look->x, -cover.look->z) * (0x4000 / BADDEG2RAD(90));
 	chr->act_stand.face_entityid = func0f096750(-cover.look->x, -cover.look->z) * 10432.039f;
 
 	return true;
@@ -1304,8 +1304,8 @@ void chrDoSurprisedOneHand(struct chrdata *chr)
 	struct prop *prop = chrGetTargetProp(chr);
 	f32 angle = chrGetAngleToPos(chr, &prop->pos);
 
-	// DEG2RAD(10) doesn't match due to float precision :(
-	if (angle < 0.17450514435768f || angle > DEG2RAD(350)) {
+	// BADDEG2RAD(10) doesn't match due to float precision :(
+	if (angle < 0.17450514435768f || angle > BADDEG2RAD(350)) {
 		chrStopFiring(chr);
 		chr->actiontype = ACT_SURPRISED;
 		chr->act_surprised.type = 1;
@@ -12548,10 +12548,10 @@ bool chrTryJumpOut(struct chrdata *chr)
 
 		// This commented code is what the floats represent, but mismatches due
 		// to float precision:
-		//if (angle < DEG2RAD(45) || angle > DEG2RAD(315)
-		//		|| (angle > DEG2RAD(135) && angle < DEG2RAD(225))) {
+		//if (angle < BADDEG2RAD(45) || angle > BADDEG2RAD(315)
+		//		|| (angle > BADDEG2RAD(135) && angle < BADDEG2RAD(225))) {
 		if (angle < 0.7852731347084f || angle > 5.4969120025635f
-				|| (angle > 2.3558194637299f && angle < DEG2RAD(225))) {
+				|| (angle > 2.3558194637299f && angle < BADDEG2RAD(225))) {
 			bool side = (random() % 2) == 0;
 
 			if (chrCanJumpInDirection(chr, side, 200)) {
diff --git a/src/game/game_016100.c b/src/game/game_016100.c
index cb4413092..6d9e39d78 100644
--- a/src/game/game_016100.c
+++ b/src/game/game_016100.c
@@ -4340,26 +4340,10 @@ glabel var7f1a84a8
 /*  f019d08:	00000000 */ 	sll	$zero,$zero,0x0
 );
 
-GLOBAL_ASM(
-glabel func0f019d0c
-.late_rodata
-glabel var7f1a84ac
-.word 0x40490fdb
-glabel var7f1a84b0
-.word 0x3fc90fdb
-.text
-/*  f019d0c:	3c013f80 */ 	lui	$at,0x3f80
-/*  f019d10:	44812000 */ 	mtc1	$at,$f4
-/*  f019d14:	3c017f1b */ 	lui	$at,%hi(var7f1a84ac)
-/*  f019d18:	c42884ac */ 	lwc1	$f8,%lo(var7f1a84ac)($at)
-/*  f019d1c:	460c2081 */ 	sub.s	$f2,$f4,$f12
-/*  f019d20:	3c017f1b */ 	lui	$at,%hi(var7f1a84b0)
-/*  f019d24:	c43084b0 */ 	lwc1	$f16,%lo(var7f1a84b0)($at)
-/*  f019d28:	46021180 */ 	add.s	$f6,$f2,$f2
-/*  f019d2c:	46083282 */ 	mul.s	$f10,$f6,$f8
-/*  f019d30:	03e00008 */ 	jr	$ra
-/*  f019d34:	46105001 */ 	sub.s	$f0,$f10,$f16
-);
+f32 func0f019d0c(f32 arg0)
+{
+	return ((1.0f - arg0) + (1.0f - arg0)) * M_PI - DEG2RAD(90);
+}
 
 GLOBAL_ASM(
 glabel titleRenderRareLogo
diff --git a/src/game/game_0b63b0.c b/src/game/game_0b63b0.c
index 4c05ace1d..f807c971c 100644
--- a/src/game/game_0b63b0.c
+++ b/src/game/game_0b63b0.c
@@ -11127,7 +11127,7 @@ glabel var7f1ad6ac
 //										prop = chrSpawnAtCoord(BODY_DARK_COMBAT, HEAD_VD,
 //												&g_Vars.currentplayer->prop->pos,
 //												g_Vars.currentplayer->prop->rooms,
-//												DEG2RAD(g_Vars.currentplayer->vv_theta / 2),
+//												BADDEG2RAD(g_Vars.currentplayer->vv_theta / 2),
 //												ailistFindById(GAILIST_INIT_COOP_100),
 //												0);
 //									} else if (stageGetIndex(g_Vars.stagenum) == STAGEINDEX_MBR) {
@@ -11135,7 +11135,7 @@ glabel var7f1ad6ac
 //										prop = chrSpawnAtCoord(BODY_MRBLONDE, HEAD_MRBLONDE,
 //												&g_Vars.currentplayer->prop->pos,
 //												g_Vars.currentplayer->prop->rooms,
-//												DEG2RAD(g_Vars.currentplayer->vv_theta),
+//												BADDEG2RAD(g_Vars.currentplayer->vv_theta),
 //												ailistFindById(GAILIST_INIT_COOP_100),
 //												0);
 //									} else {
@@ -11143,7 +11143,7 @@ glabel var7f1ad6ac
 //										prop = chrSpawnAtCoord(BODY_DARK_COMBAT, HEAD_VD,
 //												&g_Vars.currentplayer->prop->pos,
 //												g_Vars.currentplayer->prop->rooms,
-//												DEG2RAD(g_Vars.currentplayer->vv_theta / 2),
+//												BADDEG2RAD(g_Vars.currentplayer->vv_theta / 2),
 //												ailistFindById(GAILIST_INIT_COOP_100),
 //												0);
 //									}
@@ -11183,7 +11183,7 @@ glabel var7f1ad6ac
 //										prop = chrSpawnAtCoord(BODY_MRBLONDE, HEAD_MRBLONDE,
 //												&g_Vars.currentplayer->prop->pos,
 //												g_Vars.currentplayer->prop->rooms,
-//												DEG2RAD(g_Vars.currentplayer->vv_theta),
+//												BADDEG2RAD(g_Vars.currentplayer->vv_theta),
 //												ailistFindById(GAILIST_INIT_COOP_100),
 //												0);
 //									} else {
@@ -11191,7 +11191,7 @@ glabel var7f1ad6ac
 //										prop = chrSpawnAtCoord(BODY_CARRINGTON, HEAD_JAMIE,
 //												&g_Vars.currentplayer->prop->pos,
 //												g_Vars.currentplayer->prop->rooms,
-//												DEG2RAD(g_Vars.currentplayer->vv_theta),
+//												BADDEG2RAD(g_Vars.currentplayer->vv_theta),
 //												ailistFindById(GAILIST_INIT_COOP_200),
 //												0);
 //									}
@@ -11229,7 +11229,7 @@ glabel var7f1ad6ac
 //										prop = chrSpawnAtCoord(BODY_MRBLONDE, HEAD_MRBLONDE,
 //												&g_Vars.currentplayer->prop->pos,
 //												g_Vars.currentplayer->prop->rooms,
-//												DEG2RAD(g_Vars.currentplayer->vv_theta),
+//												BADDEG2RAD(g_Vars.currentplayer->vv_theta),
 //												ailistFindById(GAILIST_INIT_COOP_100),
 //												0);
 //									} else {
@@ -11237,7 +11237,7 @@ glabel var7f1ad6ac
 //										prop = chrSpawnAtCoord(BODY_MRBLONDE, HEAD_MARK2,
 //												&g_Vars.currentplayer->prop->pos,
 //												g_Vars.currentplayer->prop->rooms,
-//												DEG2RAD(g_Vars.currentplayer->vv_theta),
+//												BADDEG2RAD(g_Vars.currentplayer->vv_theta),
 //												ailistFindById(GAILIST_INIT_COOP_100),
 //												0);
 //									}
@@ -11277,7 +11277,7 @@ glabel var7f1ad6ac
 //										prop = chrSpawnAtCoord(BODY_MRBLONDE, HEAD_MRBLONDE,
 //												&g_Vars.currentplayer->prop->pos,
 //												g_Vars.currentplayer->prop->rooms,
-//												DEG2RAD(g_Vars.currentplayer->vv_theta),
+//												BADDEG2RAD(g_Vars.currentplayer->vv_theta),
 //												ailistFindById(GAILIST_INIT_COOP_100),
 //												0);
 //									} else {
@@ -11285,7 +11285,7 @@ glabel var7f1ad6ac
 //										prop = chrSpawnAtCoord(BODY_CISOLDIER, HEAD_CHRIST,
 //												&g_Vars.currentplayer->prop->pos,
 //												g_Vars.currentplayer->prop->rooms,
-//												DEG2RAD(g_Vars.currentplayer->vv_theta),
+//												BADDEG2RAD(g_Vars.currentplayer->vv_theta),
 //												ailistFindById(GAILIST_INIT_COOP_100),
 //												0);
 //									}
@@ -11326,7 +11326,7 @@ glabel var7f1ad6ac
 //										prop = chrSpawnAtCoord(BODY_MRBLONDE, HEAD_MRBLONDE,
 //												&g_Vars.currentplayer->prop->pos,
 //												g_Vars.currentplayer->prop->rooms,
-//												DEG2RAD(g_Vars.currentplayer->vv_theta),
+//												BADDEG2RAD(g_Vars.currentplayer->vv_theta),
 //												ailistFindById(GAILIST_INIT_COOP_100),
 //												0);
 //									} else {
@@ -11334,7 +11334,7 @@ glabel var7f1ad6ac
 //										prop = chrSpawnAtCoord(BODY_ELVIS1, HEAD_MAIAN_S,
 //												&g_Vars.currentplayer->prop->pos,
 //												g_Vars.currentplayer->prop->rooms,
-//												DEG2RAD(g_Vars.currentplayer->vv_theta),
+//												BADDEG2RAD(g_Vars.currentplayer->vv_theta),
 //												ailistFindById(GAILIST_INIT_COOP_100),
 //												0);
 //									}
diff --git a/src/game/game_1999b0.c b/src/game/game_1999b0.c
index 543a19987..6feef6d06 100644
--- a/src/game/game_1999b0.c
+++ b/src/game/game_1999b0.c
@@ -468,8 +468,8 @@ void func0f19a37c(struct chrdata *chr)
 
 		func0f04031c(&prop->pos, 16.666666f, &sp56, sp152);
 	} else {
-		// These numbers are about 2 billionths away from DEG2RAD(20),
-		// but tweaking the multiplier in DEG2RAD doesn't make this match
+		// These numbers are about 2 billionths away from BADDEG2RAD(20),
+		// but tweaking the multiplier in BADDEG2RAD doesn't make this match
 		// without creating mismatches in other places :(
 		sp152[0] = cosf(0.34901028871536f) * sinf(sp80);
 		sp152[1] = sinf(0.34901028871536f);
diff --git a/src/include/game/game_016100.h b/src/include/game/game_016100.h
index 133eaf9c2..5e36b0a84 100644
--- a/src/include/game/game_016100.h
+++ b/src/include/game/game_016100.h
@@ -30,7 +30,7 @@ Gfx *titleRenderNintendoLogo(Gfx *gdl);
 void titleInitRareLogo(void);
 void titleExitRareLogo(void);
 void titleTickRareLogo(void);
-u32 func0f019d0c(void);
+f32 func0f019d0c(f32 arg0);
 Gfx *titleRenderRareLogo(Gfx *gdl);
 void titleInitModeSkip(void);
 void titleInitNoController(void);
diff --git a/src/include/math.h b/src/include/math.h
index 8cd310fd1..770fb1426 100644
--- a/src/include/math.h
+++ b/src/include/math.h
@@ -8,7 +8,9 @@
 #define M_BADTAU (M_BADPI * 2)
 #define M_TAU    (M_PI * 2)
 
-#define DEG2RAD(deg) ((deg) * (M_BADPI / 180.0f))
-#define RAD2DEG(rad) ((rad) * (180.0f / M_BADPI))
+#define BADDEG2RAD(deg) ((deg) * (M_BADPI / 180.0f))
+#define DEG2RAD(deg)    ((deg) * (M_PI / 180.0f))
+
+#define BADRAD2DEG(rad) ((rad) * (180.0f / M_BADPI))
 
 #endif