CosB=BC/AB=8/16=1/2
Ответ: cosB=1/2
<span>1 I bought an unusual football on ebay. David Beckham kicked it in the2004 European Cup Final!
2.There was an old Learjet for sale! A famous film star paid a lot of money for it.
3. The film star who bought the Learjet collects aeroplanes.
4 eBay is a very clever idea.It's the biggest market in the world.
5. I don't go out to work.I work at home on my computer.
6 I do all my shopping on the internet.What a great way to shop! </span>
Это значит - опасно...........
1. The United Kingdom
2. the 21st of June
3. P<span>rince Harry
4. </span><span>playing football and swimming
5. </span><span>paint,ski and ride motorbikes</span>