录入一些答案

题库0.3/Problems.json

@@ -47121,7 +47121,7 @@
             "第三单元"
         ],
         "genre": "填空题",
-        "ans": "",
+        "ans": "(1) $\\pm 1$; (2) $\\pm 12$; (3) $-\\dfrac{16}{15}$; (4) $-3$, $-\\dfrac{4}{5}$, $\\dfrac{3}{4}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -269310,7 +269310,7 @@
             "第三单元"
         ],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$\\sin\\alpha=-\\dfrac{3\\sqrt{13}}{13}$, $\\cos\\alpha = \\dfrac{-2\\sqrt{13}}{13}$, $\\tan\\alpha = -\\dfrac{3}{2}$, $\\cot\\alpha = -\\dfrac{2}{3}$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -269379,7 +269379,7 @@
             "第三单元"
         ],
         "genre": "解答题",
-        "ans": "",
+        "ans": "(1) 第三象限; (2) 第三象限",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -497303,7 +497303,7 @@
             "第三单元"
         ],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$\\sin\\alpha=-\\dfrac{2\\sqrt{5}}{5}$, $\\cos\\alpha = \\dfrac{\\sqrt{5}}{5}$, $\\tan\\alpha = -2$, $\\cot\\alpha = -\\dfrac{1}{2}$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -497349,7 +497349,7 @@
             "第三单元"
         ],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$\\sin\\alpha=0$, $\\cos\\alpha = -1$, $\\tan\\alpha = 0$, $\\cot\\alpha$不存在",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -497374,7 +497374,7 @@
             "第三单元"
         ],
         "genre": "解答题",
-        "ans": "",
+        "ans": "第二象限",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -497396,7 +497396,7 @@
             "第三单元"
         ],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$\\sin\\alpha=\\dfrac{4}{5}$, $\\tan\\alpha = -\\dfrac{4}{3}$",
         "solution": "",
         "duration": -1,
         "usages": [],