From c6a9ae9e6ffe7a8aaeeb7f7710df748fa80ebd59 Mon Sep 17 00:00:00 2001
From: Frederique Mittelstaedt <frederique@automorph.com>
Date: Tue, 12 Mar 2019 12:18:24 +0000
Subject: [PATCH] feat(calculator.ts): add cosh method

---
 src/Calculator.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/Calculator.ts b/src/Calculator.ts
index f395459..8795d57 100644
--- a/src/Calculator.ts
+++ b/src/Calculator.ts
@@ -81,4 +81,9 @@ export default class Calculator {
     this.current = Math.sinh(this.current);
     return this;
   }
+
+  public cosh() {
+    this.current = Math.cosh(this.current);
+    return this;
+  }
 }