Giải phương trình lượng giác

IX. Circle the best option to complete each sentence: 1. This newspaper is ................... everyday. It’s daily newspaper. A. publishing B. published C. to publish D. publish 2. He shouted and looked ........................ at me when I broke the vase. A. angry B. angrier C. angrily D. angryly 3. He is tired ......................... he stayed up late watching TV. A. so B. because C. but D. and 4. We are talking about the preservation of ........................... resources. A. natural B. naturally C. nature D. naturalize 5. Is he really .................... that you can’t come there ? A. disappoint B. disappointed C. disappointing D. to disappoint 6. I think most children are creative enough to write ..................... poems. A. beauty B. beautiful C. beautifully D. beautify 7. It is our policy to ........................ forests and increase forestation. A. protect B. protecting C. to protect D. protected 8. Everyone must take part in .............................. deforestation. A. prevent B. preventing C. to prevent D. prevented 9. I suggest .................. to the movies.A. go B. to go C. going D. went 10. They made their living by ........................ fish in the ocean everyday. A. catch B. catching C. to catch D. caught 11. .................... means cutting or over- harvesting trees for lumber or pulp, or clear the land for other human activities. A. Forestry B. Forestation C. Deforester D. Deforestation 12. Some farmers don’t like ..................... the ground with the pesticides. A. spray B. spraying C. throw D. throwing 13. The inhabitants wrote a letter of complaint to the local ............ about the noise from the factory.A. author B. authorities C. authority D. authorized 14. Using ................. transport is a good way to reduce traffic jams and air pollution. A. common B. private C. public D. train 15. I will be ................... if she manages to sell that motorbike at high price. A. surprise B. surprised C. surprising D. to surprise

Bi t rằng Mặt Trăng lúc nào cũng quay một nửa mặt về ph a Trái Đất và quay quanh Trái Đất một vòng mất 27,3 ngày với bán kính quỹ đạo trung ình là 384403 km. a) Xác định tốc độ góc T của Mặt Trăng xung quanh trục của nó. b) Xác định tốc độ góc và gia tốc hướng tâm của Mặt Trăng xung quanh tâm Trái Đất.

$\sqrt[]{x^2 + 4}$ + $\sqrt[]{x^2 + 9}$ = 5 - $x^{4}$

giải giúp câu 4b á k cần làm a, làm nhang dùm tớ

Làm giúp e bài 4,6 em cảm ơn trước

Đề bài:Phân tích vẻ đẹp tài năng của Thúy Kiều trong "Chị em Thúy Kiều" ĐỪNG COPY MẠNG NHÉ MÌNH CẢM ƠN

Exercise 11: Join the two sentences using the word in brackets. 1. Glenne Close hasn’t won a single Oscar. She has been nominated six times, (although) ____________________________________________________________________________ 2. Brian Stone is a famous singer. He can’t sing folk song. (despite) ____________________________________________________________________________ 3. Some people said the film was terrible. I found it quite gripping. (Though) ____________________________________________________________________________ 4. It was a horror film. It wasn’t frightening at all. (in spite of) ____________________________________________________________________________ 5. The movie was a box-office failure. It had an all-star cast. (even though) ____________________________________________________________________________ 6. The film had good reviews. It was entirely ignored by awards bodies, (despite) ____________________________________________________________________________ 7. People criticized the movie for being too violent. The movie was a commercial success. (in spite of) 8. I liked it a great deal. I will likely never watch it again, (although) ____________________________________________________________________________ 9. The film had largely negative reception. Penn was nominated for Best Actor. (despite) ____________________________________________________________________________ 10. Critic reviews were favorable. The film was pulled early from theaters due to low ticket sales. (although) ____________________________________________________________________________

giúp mình nha =))))), nhưng kh gấp lắm

Tìm gía trị nguyên của x để giá trị của mỗi biểu thức sau là 1 số nguyên a, 6/2x+1 b, x-2/x+1 c, 3x-2/x+1 d, x+2/x^2+1