Tìm chu kì của hàm số `f(x)=sin(x/2)+2cos(3x/2)` `A.5\pi` `B.pi/2` `C.4\pi` `D.2\pi`

Giúp mình với :C Ai làm xong nhanh vote 5 sao và câu trả lời hay nhất nka!

Giúp mik bài này vs dag cần gấp

Calli : Love you . Yêu cầu : tradi Lề : ai yêu nét của mod Mai giống mình không . Chị Mai cũng dễ gần nữa . Hihi

Make the correct choice 11. Nha Trang, a beautiful city belong to Khanh Hoa province, is a ________ resort. A. mountainous B. seaside C. village D. countryside 12. Nha Trang is famous for the lovely beaches where tourists can swim and ________. A. sunbathe B. lie in the sun C. sauna D. Both A and B. 13. You can go for a ________ tour round the city, enjoying its scenic view. A. sightseeing B. boating C. sailing D. camping 14. For excursions you can go to the ______Institute, where you can see many kind of marine creatures. A. Ocean B. Sea C. Oceanic D. Sea-board 15. Tourists can visit ________ islands where they can go scuba diving or just enjoy the natural scenery. A. inshore B. offshore C. inside D. outside 16. For transport, there are flights ________ to Ho Chi Minh city, except Monday. A. weekly B. monthly C. daily D. hourly 17. By land, there are trains and buses to northern and southern ________. A. destinations B. departures C. arrivals D. parting 18. To serve you stay, there are some small, good ________ there. A. flats B. houses C. palaces D. hotels 19. A three-day tour round Nha Trang will be a(n) ________ holiday. A. forget B. forgettable C. unforgettable D. remembering 20. My hometown is not an exciting place. The night-life there is pretty ________. A. good B. interesting C. noisy D. quiet 21. – Could you lend me your book? – ________. A. No, thanks B. Sorry, I need it myself C. No, I couldn’t D. Sorry, I don’t know 22. Ben is reading a book. He really likes it. The book is really ________. A. interest B. interested C. interesting D. to interest 23. Ben is ________ by the characters in the book. A. to fascinate B. fascinate C. fascinating D. fascinated 24. He is also ________ about the story. A. excite B. excited C. excitedly D. exciting 25. Mr. Sawyer bores me. I think he is a ________ person. A. boring B. bored C. bore D. being bored 26. I don’t understand these directions. I’m ________. A. confuse B. confusing C. to confuse D. confused 27. It’s stuffy in here. DO you mind ________ the window? A. open B. opening C. to open D. being opened 28. – Do you mind if I ask you some questions? – ________. A. Yes, go ahead B. No, thanks C. No, not at all D. Sure, you can 29. – Let’s eat out tonight. – Ok, ________. A. let’s not B. it’s a good idea C. that sounds good D. Both B and C. 30. Most young children are ________ by animals. A. fascinated B. fascinating C. fascinate D. to fascinate 31. The film wasn’t as good as we had expected. It was ________. A. disappoint B. disappointed C. disappointing D. disappointedly 32. Do you know the girl ________ to Tom? A. to talk B. talking C. talked D. talk 33. The man ________ in the accident was taken to hospital. A. injured B. injuring C. to injure D. injure

lý do tại sao mình lại điền something vào câu there is ... so I'm bored

the tower of London is a famous historic building. A lecture is to be given about it

Theo em nghề trồng lúa nước của nước ta ra đời ở đâu và trong điều kiện nào?

vẽ đậu mầm NL : Đoán tui zai hay gái đây ????

giúp mình với mình đang cần gấp huhu