add acos function

2020-10-25 17:01:06 +08:00 · 2020-10-25 17:01:06 +08:00 · b37201eaa1
commit b37201eaa1
parent b974097633
1 changed files with 5 additions and 0 deletions
--- a/index.html
+++ b/index.html
@ -38,9 +38,14 @@
  function sin(a) {
    return Math.sin(a);
  }
+
  function asin(a) {
    return Math.asin(a);
  }
+
+  function acos(a) {
+    return Math.acos(a);
+  }
 </script>
 </body>
 </html>