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a) cos(x)^2 + cos(x) + sin(x)^3 = 0 b) sin ²x3 - cos ²4x - sin ²5x - cos ²6x c) 9sinx + 6cos - 3sin2x + cos2x = 8 GIÚP!! CẦN GẤP
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KHÔNG GHI LẠI CÂU HỎI [15 câu] Exercise 5: Complete the sentences with the suitable form of the verbs in parentheses. 1. She is good at (dance) ………………. . 2. He is crazy about (sing) ………………. . 3. I don't like (play) ………………. . cards. 4. They are afraid of (swim) ………………. in the sea. 5. You should give up (smoke) ………………. 6. I like (play) ………… table tennis. 7. My grandpa enjoys (drink) ………. a cup of tea. 8. My mum loves (cook) …………. 9. I hate (eat) ……………… fish. 10. Does your dad like (read) ……….. magazine? 11. I like (talk) …………… with my friends. 12. Does your aunt love (ride )………..? Exercise 6: Give the correct form of the word given to complete the sentences 1. The __________ (long) of the experiment is 20 minutes. 2. Pupils are very interested in outside class _____________ (act). 3. Be ___________ (care)! The ground is very wet and slippery.

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