Chapters
Exercise 1
Express the following angles in degrees:
1 rad
2 rad.
3 rad.
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:
1 rad
2 rad.
3 rad.
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.