MQ16 --- Trigonometry

👨🏻‍🏫 學術台數學

用戶27207

2012-05-26 12:22 am

Difficulty: 35%If sinxcosx = 1/√13, evaluate tan³x - 1/tan³x.

回答 (1)

STEVIE-G™

2012-05-26 1:05 am

✔ 最佳答案

As follows:

圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/ScreenHunter_01May251655.gif

圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/ScreenHunter_02May251655.gif

2012-05-25 17:06:33 補充：
http://i707.photobucket.com/albums/ww74/stevieg90/ScreenHunter_01May251655.gif
http://i707.photobucket.com/albums/ww74/stevieg90/ScreenHunter_02May251655.gif

2012-05-26 17:22:06 補充：
I see. I've learnt something from your question! :)

👍 0 👎 0

收錄日期: 2021-04-13 18:42:28
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20120525000051KK00316

檢視 Wayback Machine 備份