Added Math_Cosh article

Author: waqasm78

docs2/pages/documentations/math/math-cosh.md

@@ -0,0 +1,24 @@
+# Math_Cosh
+
+`Math_Cosh` returns the hyperbolic cosine of the specified angle.
+
+```csharp
+Math_Cosh (
+	@value FLOAT (53))
+RETURNS FLOAT (53)
+```
+
+## Parameters
+
+ - **value**: An angle, measured in radians.
+
+## Returns
+
+The hyperbolic cosine of value. If value is equal to NegativeInfinity or PositiveInfinity, PositiveInfinity is returned. If value is equal to NaN, NaN is returned.
+
+## Example
+
+```csharp
+SELECT SQLNET::Math_Cosh(2147483647, 2147483647)
+```
+

docs2/pages/documentations/math/math.md

@@ -5,4 +5,5 @@ Provides methods for trigonometric, and other common mathematical functions.
 | Name | Description | Example |
 | :--- | :---------- | :------ |
 | [Math_BigMul(a, b)](/math-bigmul) | Produces the full product of two 32-bit numbers. | [Try it]()|
+| [Math_Cosh(value)](/math-cosh) | Returns the hyperbolic cosine of the specified angle. | [Try it]()|