Tìm m để pt cos2x=m-1 có nghiệm Giúp mình với

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Exercise 6: Combine each pair of sentences using a suitable compound word. 1. John went to the show. He forgot his wallet. .......................................................................................................................................... 2. The team will play together. They will lose the game. .......................................................................................................................................... 3. The class is quiet during the test. They will not pass. .......................................................................................................................................... 4. We looked everywhere for my brother. We could not find him. .......................................................................................................................................... 5. Kerry went to the woods. She went hunting. .......................................................................................................................................... 6. John loves to watch the movie Transformers. He loves to eat popcorn. .......................................................................................................................................... 7. One of the greatest sports is tennis. Tennis is not watched very much on television. .......................................................................................................................................... 8. The dog must eat dinner on time. He will be hungry. .......................................................................................................................................... 9. David likes to play baseball. He loves to play soccer too. .......................................................................................................................................... 10. Amanda needs to study harder. She will not graduate this year.