From 46045df10511041c9ca69d6d2fdf12dcad0ae89a Mon Sep 17 00:00:00 2001
From: dinglinhe <dinglinhe@huawei.com>
Date: Sat, 17 Apr 2021 17:34:01 +0800
Subject: [PATCH] update document of tan

---
 mindspore/ops/operations/math_ops.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/mindspore/ops/operations/math_ops.py b/mindspore/ops/operations/math_ops.py
index 4fc80e35f8..faf795120e 100644
--- a/mindspore/ops/operations/math_ops.py
+++ b/mindspore/ops/operations/math_ops.py
@@ -3942,6 +3942,10 @@ class Tan(PrimitiveWithInfer):
     """
     Computes tangent of `input_x` element-wise.
 
+    .. math::
+
+        out_i = tan(x_i)
+
     Inputs:
         - **input_x** (Tensor) - The shape of tensor is :math:`(x_1, x_2, ..., x_R)`. Data type must be
           float16, float32 or int32.