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修改两个基础知识中的错误

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weiye.wang 2024-02-07 16:22:54 +08:00
parent 415ff7239d
commit 2648a4f0fd
1 changed files with 2 additions and 2 deletions
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题库0.3/BasicKnowledge.json
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@ -1870,7 +1870,7 @@
"objs": [
"K0311002B"
],
"content": "辅助角公式: 已知$a,b$不全为$0$, 则$a \\sin \\alpha+b \\cos \\alpha=\\sin$\\blank{50}, 其中辅助角 $\\varphi$ 满足\n$\\cos \\varphi=$\\blank{50}, $\\sin \\varphi=$\\blank{50}."
"content": "辅助角公式: 已知$a,b$不全为$0$, 则$a \\sin \\alpha+b \\cos \\alpha=$\\blank{50}$\\sin$\\blank{50}, 其中辅助角 $\\varphi$ 满足\n$\\cos \\varphi=$\\blank{50}, $\\sin \\varphi=$\\blank{50}."
},
"B00259": {
"lesson": "K0312",
@ -1899,7 +1899,7 @@
"objs": [
"K0312003B"
],
"content": "常用降次公式:\\\\\n(1) $\\sin ^2 \\alpha= \\cos ^2 \\alpha=$\\blank{50};\\\\\n(2) $(\\sin \\alpha \\pm \\cos \\alpha)^2=$\\blank{50}."
"content": "常用降次公式:\\\\\n(1) $\\sin ^2 \\alpha=$\\blank{50}, $\\cos ^2 \\alpha=$\\blank{50};\\\\\n(2) $(\\sin \\alpha \\pm \\cos \\alpha)^2=$\\blank{50}."
},
"B00263": {
"lesson": "K0313",