Chapters

## Exercise 1

Express the following angles in degrees:

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Shane
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Jamie
£25
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1st lesson free!
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Matthew
£30
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1st lesson free!
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Petar
£40
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1st lesson free!
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Harinder
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## Exercise 2

Express the following angles in radians:

1

2

3

## Exercise 3

Calculate the trigonometric ratios of the following angles:

1

2

3

4

5

6

## Solution of exercise 1

Express the following angles in degrees:

## Solution of exercise 2

Express the following angles in radians:

1

2

3

## Solution of exercise 3

Calculate the trigonometric ratios of the following angles without using a calculator: (all the angles are in degree)

1

Since the angle is in third quadrant, only will be positive.

2

Since the angle is in fourth quadrant, only will be positive.

3

Since the angle is in second quadrant, only will be positive.

4

Since the angle is in third quadrant, only will be positive.

5

Since the angle is in third quadrant, only will be positive.

6

Since the angle is in fourth quadrant, only will be positive.

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