## Exercise 1

Express the following angles in degrees:

1 3 rad

22π/5 rad.

33π/10 rad.

## Exercise 2

Express the following angles in radians:

1316°

2 10°

3 127º

## Exercise 3

Calculate the trigonometric ratios of the following angles:

1225°

2 330°

3 2,655°

4 −840º

5 −150º

61,740°

## Solution of exercise 1

Express the following angles in degrees:

13 rad

22π/5 rad.

33π/10 rad.

## Solution of exercise 2

Express the following angles in radians:

1316°

2 10°

3 127º

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