**Block Category:** Transcendental

**Inputs:** Scalars.

**Description:** The cosh block generates the hyperbolic
cosine of the input signal. The input signal must be represented in radians.

**Label:** Indicates a user-defined block label that appears when
**View > Block Labels** is activated.

**1. Computation of cosh(2****θ) =
cosh ^{2}(**

With θ chosen to be π, the above trigonometric identity is realized as: