math.h

1 files changed, 2 insertions, 8 deletions

diff --git a/05/main.c b/05/main.c
index a77ccf2..5f57418 100644
--- a/05/main.c
+++ b/05/main.c
@@ -1,15 +1,9 @@
 #define _STDLIB_DEBUG
+#include <math.h>
 #include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <ctype.h>
-#include <locale.h>
 
 int main(int argc, char **argv) {
-	setlocale(LC_ALL, "C");
-	struct lconv *c = localeconv();
-	printf("%s\n",c->negative_sign);
+	printf("%.16g\n", cosh(10));
 	return 0;
 }