diff --git a/备课组/26届/校本材料.json b/备课组/26届/校本材料.json
index 6ffcc1ba..c3d83a46 100644
--- a/备课组/26届/校本材料.json
+++ b/备课组/26届/校本材料.json
@@ -2628,6 +2628,45 @@
             ],
             "remarks": ""
         },
+        "G20260204": {
+            "id": "G20260204",
+            "name": "任意角的正弦余弦正切余切(2) ",
+            "filename": "任意角的正弦余弦正切余切(2) ",
+            "objects": [
+                "K0304001B",
+                "K0304002B",
+                "K0304003B"
+            ],
+            "basicknowledges": [
+                "B00241",
+                "B00242"
+            ],
+            "examples_basic": [
+                "009549",
+                "018338",
+                "018339",
+                "018340"
+            ],
+            "work_inclass": [
+                "009950",
+                "009951",
+                "009952"
+            ],
+            "homework": [
+                "021482",
+                "021483",
+                "021475",
+                "021484",
+                "021486",
+                "018341",
+                "018342",
+                "021493",
+                "021494",
+                "018343",
+                "021502"
+            ],
+            "remarks": ""
+        },
         "G20260214": {
             "id": "G20260214",
             "name": "正弦定理",