Download Chapter 5 Review – Trig Functions Name: Change each measure to

Chapter 5 Review – Trig Functions
Name: ___________________
Change each measure to degrees, minutes, and seconds.
1. 28.955
2. -57.327
Find one positive and one negative angle that are coterminal with each angle.
3. 480
4. -20
5.
3
4
6. 
5
6
Find the measure of the reference angle for each angle.
7. 227
8. 640
9.
5
6
10.
7
10
Determine the quadrant in which the terminal side lies.
11.
7
12
12. 
2
3
13. 156
Change from degree measure to radians, and vice versa.
15. 150
14. 315
Find each exact value (no calculator)
17. sin 270o
21. If cos 
18. cos135o
19. cos
16.
7
3
20. tan
5
and the angle is in QIV, find the other 5 trig values.
13
4
3
7
6
1. The base angles of the isosceles triangle measure 35°. The congruent sides
measure 24 inches. Find the area of the triangle.
2. You want to fence in a triangular plot of land. One side is 80 feet and another is
70 feet. The angle in between is 100. How long is the third piece of fence (to the
nearest foot)?
3. The base of an isosceles triangle is 24 cm. The base angles measured 40°. Find
the length of the altitude.
4. A kite is flying on the end of a 30 foot string. The kite string makes a 65° angle
with the ground. How far above the ground is the kite?
5. You are sitting in the top of a 40 foot tree. Your friend is 30 feet away from the
base (on the ground). Find the angle of depression needed to sight your friend.