diff --git a/ClosedXML/Excel/CalcEngine/Functions/MathTrig.cs b/ClosedXML/Excel/CalcEngine/Functions/MathTrig.cs
index 7fc00f2..688db07 100644
--- a/ClosedXML/Excel/CalcEngine/Functions/MathTrig.cs
+++ b/ClosedXML/Excel/CalcEngine/Functions/MathTrig.cs
@@ -118,10 +118,9 @@
 
         private static object Csch(List<Expression> p)
         {
-            if (p[0].Evaluate().Equals(0.0))
-            {
-                return ErrorExpression.ExpressionErrorType.DivisionByZero;
-            }
+            if (Math.Abs((double)p[0].Evaluate()) < Double.Epsilon)
+                throw new DivisionByZeroException();
+
             return 1 / Math.Sinh(p[0]);
         }
 
diff --git a/ClosedXML_Tests/Excel/CalcEngine/MathTrigTests.cs b/ClosedXML_Tests/Excel/CalcEngine/MathTrigTests.cs
index b8406cd..ada5f7f 100644
--- a/ClosedXML_Tests/Excel/CalcEngine/MathTrigTests.cs
+++ b/ClosedXML_Tests/Excel/CalcEngine/MathTrigTests.cs
@@ -154,23 +154,13 @@
         [TestCase(11, 0.0000334034)]
         public void CSch_CalculatesCorrectValues(double input, double expectedOutput)
         {
-            using (var wb = new XLWorkbook())
-            {
-                var ws = wb.AddWorksheet("Sheet1");
-                ws.FirstCell().Value = input;
-                Assert.AreEqual(expectedOutput, (double)ws.Evaluate("CSCH(A1)"), 0.000000001);
-            }
+            Assert.AreEqual(expectedOutput, (double)XLWorkbook.EvaluateExpr($@"CSCH({input})"), 0.000000001);
         }
 
         [Test]
         public void Csch_ReturnsDivisionByZeroErrorOnInput0()
         {
-            using (var wb = new XLWorkbook())
-            {
-                var ws = wb.AddWorksheet("Sheet1");
-                ws.FirstCell().Value = 0;
-                Assert.AreEqual(ErrorExpression.ExpressionErrorType.DivisionByZero, ws.Evaluate("CSCH(A1)"));
-            }
+            Assert.Throws<DivisionByZeroException>(() => XLWorkbook.EvaluateExpr("CSCH(0)"));
         }
     }
 }