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 a4df35e3..a03e5e37 100644
--- a/备课组/26届/校本材料.json
+++ b/备课组/26届/校本材料.json
@@ -3546,6 +3546,132 @@
                 "010277"
             ],
             "remarks": ""
+        },
+        "G20260222": {
+            "id": "G20260222",
+            "name": "余弦函数的图像与性质",
+            "filename": "余弦函数的图像与性质",
+            "objects": [
+                "K0322001B",
+                "K0322002B",
+                "K0322003B"
+            ],
+            "basicknowledges": [
+                "B00168",
+                "B00169",
+                "B00170",
+                "B00171"
+            ],
+            "examples_basic": [
+                "018453",
+                "018454",
+                "018456"
+            ],
+            "work_inclass": [
+                "009604",
+                "009605",
+                "009606"
+            ],
+            "homework": [
+                "023604",
+                "021643",
+                "023605",
+                "021649",
+                "021658",
+                "021669",
+                "021681",
+                "021688",
+                "010289",
+                "023606",
+                "010291",
+                "023607"
+            ],
+            "remarks": ""
+        },
+        "G20260223": {
+            "id": "G20260223",
+            "name": "函数$y=A\\sin(\\omega x+\\varphi)$的图像",
+            "filename": "正弦型函数的图像",
+            "objects": [
+                "K0323001B",
+                "K0323002B",
+                "K0323003B"
+            ],
+            "basicknowledges": [
+                "B00172",
+                "B00173",
+                "B00174"
+            ],
+            "examples_basic": [
+                "018457",
+                "018458",
+                "018459"
+            ],
+            "work_inclass": [
+                "009607",
+                "009608",
+                "009609"
+            ],
+            "homework": [
+                "021693",
+                "021694",
+                "021696",
+                "021697",
+                "021699",
+                "021700",
+                "021701",
+                "021702",
+                "021703",
+                "021704",
+                "021708",
+                "018460",
+                "018461",
+                "010298",
+                "010301",
+                "010303"
+            ],
+            "remarks": ""
+        },
+        "G20260224": {
+            "id": "G20260224",
+            "name": "正切函数的图像与性质",
+            "filename": "正切函数的图像与性质",
+            "objects": [
+                "K0324001B",
+                "K0324002B",
+                "K0324003B",
+                "K0324004B",
+                "K0324005B",
+                "K0324006B"
+            ],
+            "basicknowledges": [
+                "B00175",
+                "B00176",
+                "B00177",
+                "B00178"
+            ],
+            "examples_basic": [
+                "018462",
+                "018463",
+                "018464"
+            ],
+            "work_inclass": [
+                "009610",
+                "009611",
+                "009612"
+            ],
+            "homework": [
+                "021717",
+                "021712",
+                "021715",
+                "021718",
+                "021721",
+                "021709",
+                "018465",
+                "021724",
+                "010308"
+            ],
+            "remarks": ""
         }
     }
 }
\ No newline at end of file