一、单选题(共5小题)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f63dc02238b087ff47e9aa5bf6759d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/682c68bca75ba878bf2808d9a7ec4710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 已知两角的正、余弦,求和、差角的余弦解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c38f266df4834d1e546d66547b80220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0c02b53459eb0dbf71879b063cd75fb.png)
A.2 | B.![]() | C.![]() | D.![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69cffc22c4f9817349a5ed7b85db465.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 逆用和、差角的正切公式化简、求值解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f17e7102255c02eb2d96043d255c4c5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb5eb671ace0b8f9dd3f444945e89530.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/599b10a491e35cc86a97db305cd8d395.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc4ac0c9794f488572b219a2e7c63738.png)
A.![]() | B.![]() | C.![]() | D.﹣7 |
【知识点】 已知弦(切)求切(弦)解读 二倍角的正切公式解读
二、填空题(共5小题)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4de0ca1b66bafd78d4ca7446c9e5f909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fb2ca08c6f187f5ea4c1631d7024c75.png)
【知识点】 三角函数的化简、求值——诱导公式解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdb9722dc6bc12f844bab7a44cede25e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
【知识点】 求含sinx(型)函数的值域和最值解读 辅助角公式解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a892dbcef7934d97016bb190d94e0bc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a40cb7958c821d2af477e4b26874377.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b04da7eac640b5b735da7fb5da8cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fe57d4fbae536de2e641d9d349fcf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19099ff9ce1b01be72e4535e600aeb63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/936f28c70f5d9bc7d84feb9683f388aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc7107176f8717d185ee6f8335d1cee4.png)
三、解答题(共5小题)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/387ceef35df745a7bc366c0c94b672d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb4234175c2f92792ab2d298d45df37a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a892dbcef7934d97016bb190d94e0bc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7e3c8b7ed63a12cb25c3f78de4e4a87.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eacde1c42151734fdc60f3001b590de.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a9365198ef5ab49dcdd6b1153bc5b4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78408e56b5921d0cba7756d324d831b8.png)
(1)若θ是锐角,求tan(θ
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4eaa60bbd4c9040b7194492fc661f83.png)
(2)若θ是钝角,求cos(2θ
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e5ab3bd25fe323747ad8fcc85eb6266.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754e5c8a0769d571429e9f8dd72adc70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/254aefceb6147cf619c94df511ec8ea7.png)
【知识点】 已知两角的正、余弦,求和、差角的正弦解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7510e3e81eaae5ee85cb1ed7043b6ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b911dcd6896aa22742f53e1d3295363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c60738a96af71f598ba7ece8480909.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c5a05a11f731194a845e68a0479ce4.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/517ba4db864505d4c8638591051609a1.png)