Các bạn giúp mình với . Tks nhiu nha. Làm woai ko ra ,chán lun. hjhj.
Gọi A,B,C là 3 góc của một tg không có góc vuông.Chứng minh:
tag (A+B) +tag (B+C) + Tag ( A+C) = tag (A+B) . tag (B+C) . Tag ( A+C)
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1. Who drove to the farm?
They drove to the farm, didn't they?
2. What do they want?
They want the perfect tree, don't they?
3. What exactly did they want?
The tree was exactly what they wanted, wasn't it?
1 Where did they drive to?
- They drove to the farm, didn't they?
2 What did they want?
- They want the perfect tree, don't they?
3 Which was exactly what they wanted?
- The tree was exactly what they wanted, wasn't it