Answer:
A and E
Step-by-step explanation:
A = 2.3
B = 1.64
C = 10.08
D = 2.71
E = 2.3
F = 10.08
Okay well here's what I got.
Hoped It Helped
:)
Answer:

Step by step
Remember, a reference angle is a positive acute angle that represents an angle θ of any measurement.
a)
, then its reference angle is 
b)
is in the second cuadrant, then its reference angle is 
c)
, then it is in the first cuadrant and the reference angle is
.
d)
and it is in the third cuadrant, then its reference angle is 