Grade

Type of questions

TOEIC・English Undergraduate

分からないので教えて欲しいです🙇‍♀️

Entrance Exam 否定表現 1. almost 2. I( 1()に入れる最も適切な語句を1~4から選びなさい。 1. I don't think David would make a good leader because he can ( difficult circumstances and tends to give up too quickly. 2. extremely 3. hardly ) go to karaoke, I go only once or twice a year. ) be expected to act honorably in 4. neither (明治大) (芝浦工業大 4. never 1. often 3. Unfortunately, ( seldom ) of the 1. a few 2. few 3. ever passengers escaped injury. 3. many (大阪学院大 推) 4. much 4. ( ) children are born with musical talent. (日本大) 1. none of 2. not all. 3. not every 4. no one 5. ( 2. No 1. as far as 2. far from ) of the workers accepted the director's proposal to cut bonuses. 1. Not 6. The future of English society looked ( 7. I didn't like the food at that restaurant. It was (. (東海大 3. Never ) promising in the 1840s. None (立命館大) 3. for far 4. too far ) delicious. (福岡大) 1. anything but 2. nothing but 3. without 4. out of 8. He was so drunk that he could ( ) walk. (大阪学院大) 9. 1. all 1. able 2. unable This train doesn't stop at ( a few 3. hard 4. hardly ) station. 大阪商業大推) 2. 3. little 4. every 2. few 12. " Can 10. The latest model of this mobile phone is ( 1. not seldom 3. all not 11. Before I watched the documentary, I knew ( 1. little à you come to the party tonight?" "( 1. Yes, I can ) easy to use. (獨協大) 2. not necessarily 4. ever not 3. seldom ) about life under the sea. 4. hardly (東京工科大) ). I have a lot of homework." (拓殖大) 2. Yes, I do 3. No, I'm afraid not 13. Japan has ( 1. a little 2. few 4. No, I hope not ) oil and therefore is almost entirely dependent on imports. (センター) 3. little 4. small

Waiting for Answers Answers: 0
Mathematics Senior High

数IIの三角関数の合成の利用の問題です。 (2)なのですが、解説を見ても理解ができなかったため、解説をお願いします。

(1) sin-cos0 = 1 002 のとき,次の方程式、不等式を解け。 例題 163 三角関数の方程式・不等式 〔6〕・・・ 合成の利用 **44 (2) 2sin(+) 6 +2cos√3 思考プロセス Action>> a sin0+ bcos, r sin(0+α) 既知の問題に帰着 サインとコサインを含む式 (1) sin-cos 0=1=> 合成 サインのみの式 sin (0- = 1 (2) まず 0 のみの式にしてみる。 を含む式… 6 (1) sine-cos =√√2 sin(0) であるから,与式は y 例題 O 162 sin(0) = 1 √2 例題 148 Π 6- =α とおくと,0≦02 より AUGLS7 ≤a< π 4 4 4 URSS π 3 この範囲で sinα = を解くと a = 2 TO π 3 6- π より 4 4 例題 162 (2) 2 = Π 4 " 2sin(+)+2cos= = √3 sin+3cos cose +2 cos COSO) + 2070200 0 = πT " 5809 π 44 π 2 3 sino + 2 2 12 よって, 与式は = = 2/3 sin (0+) JT 2√3 sin (0+)2√3 b5 sin (0+1) ≥ 1/1 2007 例題 148 0+ 8 + 1 = Π π =α とおくと,0≦02 より 3 3 1/12 Ra この範囲でsina 1/2 を解くと M 5 π, 3 6 1 sa≤or, 1x ≤a< 3 13 6 元 T Π T 5 13 TC 7 π, 3 < 6 6 TC 3 31 したがって TC 0≤0≤ 11 29 1630≦2のとき、次の方程式、不等式を解け。 (1) 3 sine-cos = -1 π P 023080 Action a Wy=sind y=2sin サイン& → 050 川 y=s X Π 4 よっ L 三角関数の合成 УА P 3 12 C 2.3 π У 3 ¦ √3 x F 13 1x

Waiting for Answers Answers: 0