February 3, 2021

Chapters

## Exercise 1

Solve the following trigonometric equations:

1

2

3

4

5

6

7

8

9

10

11

12

13

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## Exercise 2

## Exercise 3

## Exercise 4

## Exercise 5

## Exercise 6

## Exercise 7

## Exercise 8

## Solution of exercise 1

1

2

3

4

5

6

7

8

9

10

11

12

13

## Solution of exercise 2

It means that the value of will result in two values.

Converting to degrees:

## Solution of exercise 3

Let :

Since :

For

For

## Solution of exercise 4

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**TRIGONOMETRIC IDENTITIES USED:**

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## Solution of exercise 5

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**TRIGONOMETRIC IDENTITIES USED:**

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## Solution of exercise 6

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**TRIGONOMETRIC IDENTITIES USED:**

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## Solution of exercise 7

## Solution of exercise 8

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