21-22高一·湖南·课后作业
1 . 将角
的三角函数用角
的三角函数来表示.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05643dd067d8ab46e7ae19f18a9cdcb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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2 . 在
中,试判断下列关系式是否恒成立,并说明理由.
(1)
;
(2)
;
(3)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cce4273ea638ded56e0e065d24c6d9c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/991922a7c40fa017d51e0bb16a47a7d2.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0fea336496c25e411e16b8a5fb9842c.png)
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2022-03-08更新
|
158次组卷
|
3卷引用:习题5.2
3 . 求下列各三角函数值:
(1)
;
(2)
;
(3)
;
(4)
;
(5)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/507f8aef902f5affb35c6089c265e4e1.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a04e9a0999d6265026811106e4137765.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86139c7c5d4c0d226c2f3b179228c04.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6042d9a159f4e537b383ef4b51a91b11.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5392ebb167af51653ea8e8f5f5a2d329.png)
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4 . 利用三角函数的单调性,比较下列各组数的大小:
(1)
,
;
(2)
,
;
(3)
,
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9476e4277c97ec987acd0488eaf687a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebe50c6bfb383abe2c5bb1b317d83bec.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87e374c122c8889c1d35720c90ff43b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44f38aca3b7375ef93bf4aaeeca28d86.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c862552010cfd801a9b16b49ef21d658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85d8c84d028654f3c4a026e5378a7346.png)
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21-22高二·江苏·课后作业
5 . 设双曲线的方程为
,过点
,
的直线的倾斜角为150°,求双曲线的离心率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06f97daba8ba8a767c63e261a9de8405.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44dabb1d632b78d0af61cc392797e316.png)
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6 . 求下列各值.
(1)
;
(2)
;
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a98303afdf5c42cd2edb5338cb14e3d3.png)
(4)
;
(5)
;
(6)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b64531c9456370133ed12bd69dc12bfa.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ad51d34f64b411b85e866600879ff1.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a98303afdf5c42cd2edb5338cb14e3d3.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6ce5b753756ad609f557b73ab12ce64.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a87ef0f2e87e9c292db421f35f3cb10.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1818c91c3895d0cdd0f5d01eb54ffa63.png)
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21-22高一·全国·课后作业
7 . 求下列各值.
(1)
;
(2)
;
(3)
;
(4)
;
(5)
;
(6)
;
(7)
;
(8)
;
(9)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2327b25b6680e4d256b5a0559ba2c08.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d52f629c39d6aceadedc70673a0a67bd.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b518aee0df4b412b5a23a1d6eee8e8d8.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/712db8f5d1f23ef219b9d0294877642f.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a986d7a57712ab6645cc9b49b322a68.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62564f23a127546155ee54c603fb989c.png)
(7)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70adc985b08a0a525cb36752f045b1b8.png)
(8)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41982ffd4ca7a7ce80fd0f2f694b8c4a.png)
(9)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d350ecdaed129bd4d396b905a017a5.png)
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8 . 求下列各值.
(1)
;
(2)
;
(3)
;
(4)
;
(5)
;
(6)
;
(7)
;
(8)
;
(9)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27e8bf05779cd32847345d9ea5f5d8e1.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf752554645a45d89b2d70ad4df3c695.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a26757be33da2d9b53e47d5a61c4c4.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1790ead605aa2619cbf465aff3af8b01.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e43c745734e7322b8e9083f4a52620ee.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a219b7807b10f24a54bae2592f01f6db.png)
(7)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eb8792f2865c3709e9b5e84e2896d8f.png)
(8)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbe9eb9eec6c64e8a22b88bb36d0893c.png)
(9)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c997bb29094a129cc5c62ce9d307a2c5.png)
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9 . 将下列三角函数化为
角的三角函数.
(1)
;
(2)
;
(3)
;
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/918187adafd1559b513cdc5482e83af3.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59119a1c2662b8b2b64e63a0abc1af85.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a94daa7275233f84a7bb13cbd05874.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ecf651bc2f4c8a3b7d03597306e1ab2.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eb59b265637deb08fc26622880a89af.png)
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10 . 利用和差化积公式,求下列各式的值:
(1)
;
(2)
;
(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bae09f31735cd7a4006c81ecba2a7051.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc2aad580228b18c3214ce298cfecce5.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34de6b92228caefad19b405b37c85cec.png)
您最近一年使用:0次