add tan function

This commit is contained in:
Sabrina 2020-10-25 16:57:40 +08:00
parent e396b2321a
commit 69b69b8f2d

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@ -33,6 +33,10 @@
function cos(a) { function cos(a) {
return Math.cos(a) return Math.cos(a)
} }
function tan(a) {
return Math.tan(a);
}
</script> </script>
</body> </body>
</html> </html>