修改21472题面
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@ -582843,7 +582843,7 @@
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"021472": {
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"id": "021472",
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"content": "已知常数$a \\in \\mathbf{R}$, 角$\\alpha$的终边经过点$P(3 a-2, a+2)$, 且满足$\\cos \\alpha<0$, $\\sin \\alpha>0$, 则$\\alpha$的取值范围为\\blank{50}.",
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"content": "已知常数$a \\in \\mathbf{R}$, 角$\\alpha$的终边经过点$P(3 a-2, a+2)$, 且满足$\\cos \\alpha<0$, $\\sin \\alpha>0$, 则$a$的取值范围为\\blank{50}.",
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"objs": [],
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"tags": [
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"第三单元"
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@ -582863,7 +582863,8 @@
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],
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"origin": "2025届高一下校本作业",
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"edit": [
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"20230209\t王伟叶"
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"20230209\t王伟叶",
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"20240221\t王伟叶"
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],
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"same": [],
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"related": [],
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