diff --git a/programs/develop/ktcc/trunk/bin/lib/libc.def b/programs/develop/ktcc/trunk/bin/lib/libc.def
index b37a70843f..e7e026f5b8 100644
--- a/programs/develop/ktcc/trunk/bin/lib/libc.def
+++ b/programs/develop/ktcc/trunk/bin/lib/libc.def
@@ -119,10 +119,10 @@ socketpair
 acosh
 asinh
 atanh
-acosh
 frexp
 hypot
 ldexp
+cosh
 sinh
 tanh
 acos
@@ -131,6 +131,9 @@ atan
 atan2
 ceil
 cos
+sin
+tan
+sqrt
 exp
 fabs
 floor
diff --git a/programs/develop/ktcc/trunk/libc.obj/source/libc.c b/programs/develop/ktcc/trunk/libc.obj/source/libc.c
index c979483d03..40c288cb95 100644
--- a/programs/develop/ktcc/trunk/libc.obj/source/libc.c
+++ b/programs/develop/ktcc/trunk/libc.obj/source/libc.c
@@ -265,6 +265,7 @@ ksys_dll_t EXPORTS[] = {
     {"frexp", &frexp},
     {"hypot", &hypot},
     {"ldexp", &ldexp},
+    {"cosh", &cosh},
     {"sinh", &sinh},
     {"tanh", &tanh},
     {"acos", &acos},
@@ -275,6 +276,7 @@ ksys_dll_t EXPORTS[] = {
     {"cos", &cos},
     {"sin", &sin},
     {"tan", &tan},
+    {"sqrt", &sqrt},
     {"exp", &exp},
     {"fabs", &fabs},
     {"floor", &floor},