修改10291题面

题库0.3/Problems.json

@@ -294347,7 +294347,7 @@
     },
     "010291": {
         "id": "010291",
-        "content": "求下列函数的最大值和最小值, 并指出使其取得最大值和最小值时$x$的集合:\\\\\n(1) $y=3^{\\cos 2x}$, $x\\in \\mathbf{R}$;\\\\\n(2) $y=\\cos x-\\sin^2x$, $x\\in \\mathbf{R}$.",
+        "content": "求下列函数的最大值和最小值, 并分别指出使其取得最大值和最小值时$x$的集合:\\\\\n(1) $y=3^{\\cos 2x}$, $x\\in \\mathbf{R}$;\\\\\n(2) $y=\\cos x-\\sin^2x$, $x\\in \\mathbf{R}$.",
         "objs": [],
         "tags": [
             "第三单元"
@@ -294359,7 +294359,8 @@
         "usages": [],
         "origin": "新教材必修第二册习题",
         "edit": [
-            "20220806\t王伟叶"
+            "20220806\t王伟叶",
+            "20240402\t王伟叶"
         ],
         "same": [],
         "related": [],