Hàm số sau nghịch biến trên khoảng nào??

Calli " Thuý Vy'' Nl: Có tâm ạ:(((

phân tich đa thức thanh nhân tử x^5+x+1 HD: số hạng cần thêm bớt: x^2

Có 2 góc bù,b) có 3 cặp góc bù,c)có 4 cặp góc bù,d) có1 cặp góc kề bù

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Giải phương trình sau: a)cos3x + cos7x =1 + cos4x b)2cosx -1=0 c)sin2x . cos3x=sin5x . cos6x d)cosx - cos2x + cos3x=1/2 e)sinx + sin2x + sin3x=cosx + cos2x + cos3x 💜Giải giúp mình với ạ:((((

Tính chất của tế bào nón có gì khác so với tế bào que? Tính chất đó liên quan đến khả năng nhìn như thế nào??

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III. Complete the sentences with the words from the box. 1. Over the last 2 decades, Vietnam has experienced a rapid construction . 2. include a large indoor pool, jacuzzi and sauna. 3. A family is a family group consisting of two parents and their children. 4. From the upper rooms of the houses may be seen a large number of old roofs. 5. In recent years, the number of skyscrapers has in Ho Chi Minh City. 6. After some hesitation, teachers seem to have accepted the new system. 7. A typical family consists of multiple generations living together in the same household. 8. On the way home we shared our first-class with a group of businessmen. 9. The Cat Linh-Ha Dong elevated railway is expected to be in 2018. 10. They are digging a to hold a water pipe which will divert water from the river.

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