user-avatar
1107362696271812
2 năm trước
1) Cho tam giác ABC là tam giác vuông tại A có AB = 12cm, AC = 16cm. Tinh các tỉ số lượng giác góc C từ đó suy ra các tỉ số lượng giác góc B 2) Cho tam giác DEF là tam giác vuông tại D. Tính các tỉ số lượng giác của góc E, biết cos F=0,6
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

II. Verb forms: 9) The children ___________________ to school last Monday.(not be) 10) Please wait for him here until he ______________ back. (come) 11) Tam wishes his friend _____________ here again to help him.(be) 12) Malaysia ______________________ into two regions, known as West Malaysia and East Malaysia.(divide) III. Word Forms: 13) Although she is ______________, no one likes her.(friend) 14) The festival is _________________________ held in Hung King temple.(office) 15) She made a deep ______________________ on the members of her class.(impress) 16) These primary school students are ________________ of their parents.(depend) IV. Sentence transformation: 17) She last talked to me two months ago. She _________________________________________________________________. 18) He makes some mistakes in his essay. He wishes ___________________________________________________________. 19) Lan often walked past the mosque on her way to primary school. Lan used_____________________________________________________________. 20) Jimmy stopped smoking two months ago. Jimmy has ___________________________________________________________. II. Verb forms: 9) The children ___________________ to school last Monday.(not be) 10) Please wait for him here until he ______________ back. (come) 11) Tam wishes his friend _____________ here again to help him.(be) 12) Malaysia ______________________ into two regions, known as West Malaysia and East Malaysia.(divide) III. Word Forms: 13) Although she is ______________, no one likes her.(friend) 14) The festival is _________________________ held in Hung King temple.(office) 15) She made a deep ______________________ on the members of her class.(impress) 16) These primary school students are ________________ of their parents.(depend) IV. Sentence transformation: 17) She last talked to me two months ago. She _________________________________________________________________. 18) He makes some mistakes in his essay. He wishes ___________________________________________________________. 19) Lan often walked past the mosque on her way to primary school. Lan used_____________________________________________________________. 20) Jimmy stopped smoking two months ago. Jimmy has ______________________________________________________

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team