Chapters
Exercise 1
Solve the following trigonometric equations:
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
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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