From 421c84e9c3957dbaa0c76b04275bcbbcdd562fa5 Mon Sep 17 00:00:00 2001
From: zhugemengtian <maopeijing@126.com>
Date: Tue, 1 Aug 2023 23:43:48 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E4=B8=80=E4=B8=8B006468?=
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---
 题库0.3/Problems.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index dce19e6f..833998f5 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -179123,7 +179123,7 @@
         ],
         "genre": "解答题",
         "ans": "$x=\\pi+\\arcsin \\dfrac 13$",
-        "solution": "因为$\\sin (\\pi -x)=\\sin x=-\\dfrac 13$, 且由$\\pi <x<\\dfrac{3\\pi }2$知, $-\\dfrac{\\pi }2<\\pi -x<0$,\n所以$\\pi -x=\\arcsin (-\\dfrac 13)=-\\arcsin \\dfrac 13$, 于是$x=\\pi +\\arcsin \\dfrac 13$.",
+        "solution": "因为$\\sin (x- \\pi)=-\\sin x=\\dfrac 13$, 且由$\\pi <x<\\dfrac{3\\pi }2$知, $0<x- \\pi<\\dfrac{\\pi }2$,\n所以$x- \\pi=\\arcsin (\\dfrac 13)$, 于是$x=\\pi +\\arcsin \\dfrac 13$.",
         "duration": -1,
         "usages": [
             "20220920\t2023届高三01班\t0.933",