Đáp án:
B
Giải thích các bước giải:
\(\begin{array}{l}DK:\cos \left( {x - \dfrac{\pi }{3}} \right) \ne 0\\ \to x - \dfrac{\pi }{3} \ne \dfrac{\pi }{2} + k\pi \\ \to x \ne \dfrac{{5\pi }}{6} + k\pi \left( {k \in Z} \right)\end{array}\)
Vẽ mầm full thân khóc cute ..... . . . . . . . Và nêu cách đổ bóng , đánh bóng chữ calli trên app medibang pain ( điện thoại nha ) . Bắt buộc
I'm busy now because I _________________the house. (clean) 2. The girls _________________an email to their friend at the moment. (write) 3. Her friends _________________in the park because they are watering the plants in the garden. (not play) 4. Do you have time? No, I _________________. (study) 5. Hurry! They bus _________________. (come) 6. Please listen to me. I _________________to you. (talk) 7. Frank and Mary _________________at the party now. (dance) 8. Where is mum? She _________________in the kitchen. (cook) 9. He _________________to his girl friend at present. (talk) 10. Please be quieter. The babies _________________. (sleep) 11. Please be quiet. I _______________ (try) to read my book. 12. I _______________ (not/use) the computer at the moment so you can use it.
12. By Christmas, I _______ for Mr. Smith for six years. A. will have been working B. will work C. have been working D. will be working 13. I _______ in the room right now. A. am being B. was being C. have been being D. am 14. I ______ to New York three times this year. A. have been B. was C. were D. had been 15. I'll come and see you before I _______ for the States. A. leave B. will leave C. have left D. shall leave 16. The little girl asked what _______ to her friend. A. has happened B. happened C. had happened D. would have been happened 17. John ______ a book when I saw him. A. is reading B. read C. was reading D. reading 18. He said he _______ return later. A. will B. would C. can D. would be 19. Jack ________ the door. A. has just opened B. open C. have opened D. opening 20. I have been waiting for you ______. A. since early morning B. since 9 a. m C. for two hours D. All are correct
có hậu tạ helpppppppp Ưmko nhanh nhanh
Vẽ cốc trà sữa có nhìu toping, có 3-5 pé mầm ở trong/ngoài Y/c: appp(not paint)
Giúp em vs ạ (ʘᴗʘ✿)(◕ᴗ◕✿)(◕ᴗ◕✿)
tìm số có 2chữ số biết rằng nếu cho chữ số 1lên hàng trăm thì số đó gấp 9lần số cũ và 31 có nhóm nào chứa tôi khum
Chỉ cần viết a b c d là đc r ạ k cần gthich ạ
Trục căn thức ở mẫu $\frac{1}{1+\sqrt{5}-\sqrt{10}}$ $\frac{1}{1+\sqrt{2}+\sqrt{5}}$
giúp mình bài 6 ở trên với mn ơi
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