В прямоугольном треугольнике cosα = а) Вычислите tg α;б) Вычислите сtg α.​

1) 2. an   5. a

3. a    6.an  8.a

4. an  7. a

2) a table, an apple, a pen, a pencil, an elephant, a girl,a boy, an orange, a cat, a flat, an umbrella, an engineer, a teacher, an iron, a car, an owl, a doctor, a room, a desk, a sofa, a window, an aunt, an uncle, a wolf, an evening, a tree, a flower, an eagle, an exercise, a chair, a plane.

3) What are you doing this afternoon?

4) Who's

5) These are my glasses and those are hers.

6) We are going to the seaside this summer

7) That man over there is a famous politician.

5. That is a car. Those are cars.

This is a dog These are dogs

That is a star  those are stars

This is his pencil these are pencils

That is his pen.  those are his pens

This is a sheep. these are sheep

That is a child. those are children