Đáp án:
b) \(\alpha = 71,565^\circ \)
Giải thích các bước giải:
b) Số đo góc ∝ tạo bởi hàm số và trục Ox
\(\begin{array}{l} \to \tan \alpha = 3\\ \to \alpha = 71,565^\circ \end{array}\)
Vẽ đậu mầm/chibi/anime NL : Đừng tiếc 1,2 phút để nhận xét chữ viết của mình trong hình . Nhận xét xong rồi đưa ra ý kiến về chữ mình để mình chỉnh sửa nét chữ cho phù hợp
76.My teacher (come)......here if he (have)..........time. 77.The trees (grow).................very fast at the moment. 78.David seldom (sing)..................an English song. 79.I (help)................you if I (be)..............free. 80.Peter (borrow)..................your CDs tonight. 81.If she (ask)...........me, I (not/answer)...............her. 82.My mother often(tell)...........stories at night. 83.They (travel)............to Canada twice a year. 84.I (talk)................with him if he (phone)...............me. 85.He (stay).............up very late last night. 86.He (learn)...................French tonight. 87.Mr. Pike and Mr. Brown (leave).......................here next month. giúp vs ạ
Ex1: Choose the best answer Question 1. Hoa likes music. She often ______ to music in late evenings. A. listen B. Listening C. listens D. to listen Question 2. He goes swimming when he ____ free time. A. have B. is having C. has D. will have Question 3. My sister is very keen on swimming, and he goes swimming three _____ a week. A. time B. a time C. times D. timings Question 4. My mom _____ me every weekend without fail. A. is calling B. will call C. calls D. will be calling Question 5. My dad often _____ up late on Saturday mornings. A. got B. will get C. is getting D. gets Question 6. How ______ do you go to the library after school? A. often B. much C. many D. usually Question 7. ________ any other languages apart from English? A. Are you speaking B. Will you speak C. Do you speak D. Shall you speak Question 8. Eric, _______ hockey competitively or just for fun? A. do you usually play B. are you usually playing C. will you usually play D. have you usually played Question 9. Unfortunately, Simon _____ a day off very often. A. get B. doesn’t get C. isn’t getting D. won’t get Question 10. Mai loves cooking a lot because she often _____ food for her family and feels great to se other people enjoy her food. A. prepare B. preparing C. to prepare D. prepares Question 11. Who ______ after the children when you are away? A. looks B. look C. does look D. will be look Question 12. Doing morning exercise every day is good ____ your health. A. on B. for C. to D. at Question 13. Tom enjoys taking part ____ New Stars Football Club. A. in B. of C. after D. before Question 14. She often receives beautiful dolls _____ her grandma. A. of B. in C. from D. on Question 15. I’m proud to say that my son is very good ___ playing the guitar. A. about B. in C. on D. at
Giải các Bpt dưới và biểu diễn tập nghiệm trên trục số. Giúp mình với ạ, tks
Cho a,b ∈ N 1, 11a +2b chia hết cho12. CMR a + 34b chia hết cho 12 giúp mik nhanh nha Cần gấp ạ Cảm ơn ạ
tìm 10 từ láy toàn bộ và 10 từ láy hoàn toàn, gấp ạ
Làm giúp mình 10 câu cuối Thanks
Vẽ anime/chibi/phong cảnh ~~~~~~ chép thì gửi cả tranh gốc nhaa:> ________
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Giúp mình bài này với,cảm ơn nhiều
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