修改21508题面

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wangweiye7840 2024-02-19 13:43:42 +08:00
parent 6f7c14e5b1
commit 38f5010232
1 changed files with 3 additions and 2 deletions

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@ -583927,7 +583927,7 @@
},
"021508": {
"id": "021508",
"content": "利用诱导公式求下列各值, 要求写出必要的步骤, 且不能使用计算器:\\\\\n(1) $\\sin (-\\dfrac{\\pi}{3})=$\\blank{200};\\\\\n(2) $\\cos (-\\dfrac{13 \\pi}{4})=$\\blank{200};\\\\\n(3) $\\tan \\dfrac{26 \\pi}{3}=$\\blank{200};\\\\\n(4) $\\cot (-\\dfrac{31 \\pi}{6})=$\\blank{200}.",
"content": "利用诱导公式及锐角的三角比求下列各式的值, 要求写出必要的步骤:\\\\\n(1) $\\sin (-\\dfrac{\\pi}{3})=$\\blank{200};\\\\\n(2) $\\cos (-\\dfrac{13 \\pi}{4})=$\\blank{200};\\\\\n(3) $\\tan \\dfrac{26 \\pi}{3}=$\\blank{200};\\\\\n(4) $\\cot (-\\dfrac{31 \\pi}{6})=$\\blank{200}.",
"objs": [],
"tags": [
"第三单元"
@ -583949,7 +583949,8 @@
],
"origin": "2025届高一下校本作业",
"edit": [
"20230209\t王伟叶"
"20230209\t王伟叶",
"20240219\t王伟叶"
],
"same": [],
"related": [],