解题方法
1 . 如图,在
中,
,
,
,
为
内的一点,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/932979fbd93c8f58f804a448d4a4983c.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83640592853a53872d7af69c0cffc1bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5064f5ce5ac8428e277fd578da84ec6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/932979fbd93c8f58f804a448d4a4983c.png)
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2 . 已知
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b7f185fad389b519ceeb636fe08556a.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/025a50b35bc60be8f5bae9cbd823b695.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fce40c1d8fcc80aff79ca303feff9644.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b7f185fad389b519ceeb636fe08556a.png)
您最近一年使用:0次
2023-08-30更新
|
507次组卷
|
4卷引用:人教A版(2019) 必修第一册 数学奇书 学业评价(四十一)诱导公式二、三、四
人教A版(2019) 必修第一册 数学奇书 学业评价(四十一)诱导公式二、三、四江西省南昌新民外语学校2024届高三上学期第一次月考数学试题(已下线)5.3 诱导公式(5大题型)精练--【题型分类归纳】(人教A版2019必修第一册)【第三练】5.3诱导公式
3 . 若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dac6370c6164313f8bdb73518c261a3.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f41d16f1c06ff9b8082bccd72af11e14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6359b5061b323f92c4c54e3fcdd783bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dac6370c6164313f8bdb73518c261a3.png)
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解题方法
4 . 已知
,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9da6f152a33ef475161c9e396647225.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7dc4a8ca221732931bb72442a15df14.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4306b944f46c6f8820960a57059a393.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a3fd3a067dce1354bc941df061508a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c711885ba609af63b3f02b7074914ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9be2e0a0816bc26d430622d24909ef97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9da6f152a33ef475161c9e396647225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7dc4a8ca221732931bb72442a15df14.png)
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解题方法
5 . 已知
,
,
,
,则
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a077ceccea768ed3c664d38d55242fbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d590efabf20f5e49b138aceb068a71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6359b5061b323f92c4c54e3fcdd783bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b30bfb2bda6d94244582c0fb8d65424.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f6834a22cc57e6dc022c74eae7dac76.png)
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6 . 在
中,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5478b1b2f21583200adc8c308a3ac842.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60f4f8020bef636dcb3b8dc5fa2bdbb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5478b1b2f21583200adc8c308a3ac842.png)
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7 .
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675d374e857ddcefa88c93799a971647.png)
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解题方法
8 . 定义:角θ与φ都是任意角,若满足
,则称θ与φ“广义互余”.已知
,下列角β中,可能与角α“广义互余”的是________ (填上所有符合的序号).
①
;②
;③
;④
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f653b6f1a40d2a09598dbc9c6ad5f8bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07ac7d22d91709dad3ad2b37f3b11214.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30e306b529ed79995a330504de3e8014.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4a51e98163824b793c5525e93c32638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ae719b87935f29b886903f1d9918b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6adf798dc298bacb7e42f6216d98fe33.png)
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解题方法
9 . 若
是第三象限角且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b80751c98f9991b9cfc03923a98834.png)
________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/874eb9d4a07faa074a6fed787cc6c771.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b80751c98f9991b9cfc03923a98834.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
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解题方法
10 . 已知
,则
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23fa9907446dc834a2116003cedea9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75c137b42047c88fef7f08e78f8d5326.png)
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