## Tan {#openvino_docs_ops_arithmetic_Tan_1} **Versioned name**: *Tan-1* **Category**: Arithmetic unary operation **Short description**: *Tan* performs element-wise tangent operation with given tensor. **Attributes**: No attributes available. **Inputs** * **1**: An tensor of type T. **Required.** **Outputs** * **1**: The result of element-wise tan operation. A tensor of type T. **Types** * *T*: any numeric type. *Tan* does the following with the input tensor *a*: \f[ a_{i} = tan(a_{i}) \f] **Examples** *Example 1* ```xml 256 56 256 56 ```