PS: Note that all the angles are in degree.
Exercise 1
Knowing that
, and that
, calculate the remaining trigonometric ratios of angle
.
Exercise 2
Knowing that
, and that
, calculate the remaining trigonometric ratios of angle
.
Exercise 3
Knowing that
and
, calculate the remaining trigonometric ratios of angle
.
Exercise 4
Knowing that
, calculate the remaining trigonometric ratios of angle
.
Exercise 5
Prove the identities:
1
2
3
4
5
Exercise 6
Simplify the fractions:
1
2
3
Exercise 7
Prove the identities:
Part 1

Part 2

Exercise 8
Simplify the fractions:
Part 1

Part 2

Part 3

Exercise 9
Calculate the trigonometric ratios of
(from the
and
).
Exercise 10
Develop:
.
Exercise 11
Calculate
, depending on
.
Exercise 12
Calculate
and
, in terms of
.
Solution of exercise 1
Knowing that
, and that
, calculate the remaining trigonometric ratios of angle
.



Solution of exercise 2
Knowing that
, and that
, calculate the remaining trigonometric ratios of angle
.



Solution of exercise 3
Knowing that
and
, calculate the remaining trigonometric ratios of angle
.



Solution of exercise 4
Knowing that
, calculate the remaining trigonometric ratios of angle
.
First quadrant:



Second quadrant:



Solution of exercise 5
Prove the identities:
1


2

3

4

5

Solution of exercise 6
Simplify the fractions:
1

2


3


Solution of exercise
Solution of exercise 7
Prove the identities:
1 

2 


Solution of exercise
Solution of exercise 8
Simplify the fractions:
1 

2 

3 

Solution of exercise
Solution of exercise 9
Calculate the trigonometric ratios of
(from the
and
).




Solution of exercise
Solution of exercise 10
Develop:
.




Solution of exercise 11
Calculate
, depending on
.





Solution of exercise 12
Calculate
and
, in terms of
.



Summarise with AI:









It was good and worth learning