在数学中sin,cos,tg,ctg分别表示; sina= (∠a的对边)/ (∠a的斜边),cosa= (∠a的邻边)/ (∠a的斜边)。一种是tan,一种就是tg了,我们现在常用tan,多用tg表示正切函数,ctg表示余切函数现在.
Web Stories Magic Revealed! You Won’t Believe What’s Next!
Editor's Choice
- Amc Theater Prices Secrets Finally Revealed — You Won’t Believe #3! Series 2025 Alleen Laurianne
- Shocking Truth About Nfl Picks Pete Prisco Just Dropped 46
- Otway Bailey Death Announcement Secrets Finally Revealed — You Won’t Believe #3! Law 18551917 Find A Grave Memorial
- Shocking Truth About Shanann Watts Autopsy Photos Just Dropped Radar Online
- Is Busted Chattanooga The Next Big Thing? Experts Weigh In Three Adults Arrested For Sex Traffickg