录入G20260211

备课组/26届/校本材料.json

@@ -2900,6 +2900,44 @@
             ],
             "remarks": ""
         },
+        "G20260211": {
+            "id": "G20260211",
+            "name": "两角和与差的正弦余弦正切公式(3)",
+            "filename": "两角和与差的正弦余弦正切公式(3)",
+            "objects": [
+                "K0311001B",
+                "K0311002B"
+            ],
+            "basicknowledges": [
+                "B00258"
+            ],
+            "examples_basic": [
+                "018385",
+                "018386",
+                "018387",
+                "018388"
+            ],
+            "work_inclass": [
+                "009570",
+                "009571",
+                "009572"
+            ],
+            "homework": [
+                "014217",
+                "000960",
+                "021570",
+                "021571",
+                "021572",
+                "021573",
+                "021574",
+                "021575",
+                "021576",
+                "021577",
+                "021578",
+                "018390"
+            ],
+            "remarks": ""
+        },
         "G20260214": {
             "id": "G20260214",
             "name": "正弦定理",