Chapter 3 CNC Math 73
3. Determine the values of the angles shown in the figure below. State the propositions used
in the problem. Lines 1 and 2 are parallel, and Lines 3 and 4 are parallel.
g
f
b
d
e
e
a
c
43
1
3
4
2
43
g
f
b
d
e
e
a
c
a. Angle a
b. Angle b
c. Angle c
d. Angle d
e. Angle e
f. Angle f
g. Angle g
4. Using a table or calculator, determine the value of each function listed.
a. Tan 33.15°
b. Sin 23°
c. Cos 26.6°
d. Cot 41°