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三角函数最值题型

当前时间： 2026-07-02 16:53:41 分类：办公文件 评论(0)
三角函数最值题型

本题是一道中上等难度的三角函数最值题型，对于求tanC最值，先用tanB表示出来tanC，然后根据相关情况而进行分析其最值，最后得出其最值。利用函数或不等式求最值是最后的解题思想。

三角函数最值题型
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  1. 请求信息 : 2026-07-03 13:43:59 HTTP/1.1 GET : https://www.yeyulingfeng.com/a/828817.html
  2. 运行时间 : 0.204381s [ 吞吐率：4.89req/s ] 内存消耗：4,830.09kb 文件加载：145
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=599f3d9eac7945c8413919025012ca9f
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  1. CONNECT:[ UseTime:0.001034s ] mysql:host=127.0.0.1;port=3306;dbname=wenku;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001050s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000356s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000342s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000498s ]
  6. SELECT * FROM `set` [ RunTime:0.000189s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000587s ]
  8. SELECT * FROM `article` WHERE `id` = 828817 LIMIT 1 [ RunTime:0.000430s ]
  9. UPDATE `article` SET `lasttime` = 1783057439 WHERE `id` = 828817 [ RunTime:0.028150s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000324s ]
  11. SELECT * FROM `article` WHERE `id` < 828817 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000511s ]
  12. SELECT * FROM `article` WHERE `id` > 828817 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000470s ]
  13. SELECT * FROM `article` WHERE `id` < 828817 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.003518s ]
  14. SELECT * FROM `article` WHERE `id` < 828817 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000914s ]
  15. SELECT * FROM `article` WHERE `id` < 828817 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.008835s ]
0.206165s