1. James is very kind and likes to help people. 2. People are waiting for the school bus at the moment.

Topic 3: Email about My School
Subject: My School
Hi Linh,
I want to tell you about my school. It is big and beautiful. There are 30 classrooms, a library, and a playground. My teachers are kind and helpful. I enjoy learning and playing with my friends here.
Best,
Mai

Topic 2: My Best Friend
My best friend is Anna. She is kind, funny, and always helps others. We study in the same class and play together after school. She has long black hair and a bright smile. I enjoy spending time with her every day.

Topic 1: My House
I live in a small but beautiful house with my family. It has two bedrooms, a living room, a kitchen, and a garden. My room is near the window, and I like reading there. Our house is always clean and full of love.

1. Those science books are yours. 2. My school has 30 classrooms. 3. That uniform is mine.

1. Susan and Alice will not make a cake tomorrow.
2. They have band practice after school on Tuesday

Để hiểu bản chất chương 1 lượng giác, bạn cần tập trung vào ba yếu tố cốt lõi: khái niệm góc ở tâm, đường tròn đơn vị, và các tỉ số lượng giác. Hãy xem xét các định nghĩa cơ bản, hiểu cách biểu diễn góc trên đường tròn đơn vị, và nắm vững mối quan hệ giữa các tỉ số lượng giác như sin, cos, tan, cot thông qua các ví dụ cụ thể.

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