user-avatar
minhvotruongtoan2
2 năm trước
A= 3 c o s g 77 ° 2 t a n 13 ° - c o s ² 26 ° + c o s ² 64 ° − c o s ² 71 ° − c o s ² 19 ° s i n ² 34 ° + s i n ² 56 ° + s i n ² 15 ° + s i n ² 75 °
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

IX. Read the following passage and write T (for True ) or F (for False ) It’s six o’clock in the evening. Many people are at home. They are having dinner. They are watching T.V. They are listening to music. But Mrs. Bich is going to the work. She’s a doctor and she works at night in the hospital. Today she’s late. The hospital is not in her neighborhood so she usually goes by car. Mrs. Bich is in her car now. She’s driving fast. She should slow down but she must be at work by six thirty. A policeman stops her. “ You are driving too fast !” he says. You are going to have an accident. It’s six thirty. Mrs. Bich is not at the hospital. She’s at the police station. Her car must stay there for fourteen days. …………… 1. Mrs. Bich is a night doctor …………… 2. She goes to work by motorbike …………… 3. She is late for work …………… 4. A policeman doesn’t keep her car …………… 5. She arrives at the hospital at 6.30

III. Choose the best answer. 1. We had dinner ________ an Italian restaurant last night. A. on B. in C. from D. to 2. My school is ________ the post office and the hospital. A. between B. next C. on D. in 3. He rarely gets up early _________ Sunday morning. A. or B. and C. at D. from 4. Do you like tea _________ coffee for the breakfast? A. or B. and C. with D. more 5. The bank opens at 8.00 in the morning and _________ at 5.00 in the afternoon. A. closes B. finishes C. starts D. ends 6. Tom and Mary always _________ a winter holiday. A. has B. having C. to have D. have 7. In the painting, the girl ________ a hat. A. is wearing B. wear C. wearing D. to wear 8. We usually listen to the news ________ the car. A. on B. in C. from D. behind 9. How much ________ this shirt cost? A. is B. are C. do D. does 10. There aren’t _______ shops in my village, just a post office. A. any B. some C. a little D. a lot of

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