wangweiye
/
mathdeptv2
Archived
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

修改21528答案

This commit is contained in:
wangweiye7840 2024-02-04 15:54:50 +08:00
parent 3bf04651be
commit 9cab605d5a
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
题库0.3/Problems.json
View File

@ -584076,7 +584076,7 @@
"第三单元" "第三单元"
], ],
"genre": "解答题", "genre": "解答题",
"ans": "(1) 当$\\alpha$在第一象限时, $\\sin (2 \\pi-\\alpha)=-\\dfrac{\\sqrt{3}}{2}$;\n当$\\alpha$在第三象限时, $\\sin (2 \\pi-\\alpha)=\\dfrac{\\sqrt{3}}{2}$.\\\\\n(2) 当$\\alpha$在第一象限时, $\\dfrac{1}{\\tan [\\dfrac{(2 k+1) \\pi}{2}+\\alpha]}=-\\sqrt{3}$;\n当$\\alpha$在第四象限时, $\\dfrac{1}{\\tan [\\dfrac{(2 k+1) \\pi}{2}+\\alpha]}=\\sqrt{3}$.", "ans": "(1) 当$\\alpha$在第一象限时, $\\sin (2 \\pi-\\alpha)=-\\dfrac{\\sqrt{3}}{2}$;\n当$\\alpha$在第四象限时, $\\sin (2 \\pi-\\alpha)=\\dfrac{\\sqrt{3}}{2}$.\\\\\n(2) 当$\\alpha$在第一象限时, $\\dfrac{1}{\\tan [\\dfrac{(2 k+1) \\pi}{2}+\\alpha]}=-\\sqrt{3}$;\n当$\\alpha$在第四象限时, $\\dfrac{1}{\\tan [\\dfrac{(2 k+1) \\pi}{2}+\\alpha]}=\\sqrt{3}$.",
"solution": "", "solution": "",
"duration": -1, "duration": -1,
"usages": [ "usages": [
@ -584091,7 +584091,8 @@
], ],
"origin": "2025届高一下校本作业", "origin": "2025届高一下校本作业",
"edit": [ "edit": [
"20230209\t王伟叶" "20230209\t王伟叶",
"20240204\t王伟叶"
], ],
"same": [], "same": [],
"related": [], "related": [],