Trigonometric Functions Review Sheet Answers
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1Trigonometric
F unctions
R eview
S heet
A nswers
1.
" = #240°
a. The
a ngle
s hould
g o
i n
t he
c lockwise
d irection
t o
t he
s econd
q uadrant.
4 #
b.
r adians
"
3
!
c.
120°
a nd
"600°
d.
60°
3
3
2 3
1
e.
,
,
,
,
tan = " 3 ,
sec = "2
!
sin =
cot = "
csc =
cos = "
2
3
3
2
!
!
50 3
!
2.
o r
2 8.87
y =
3
!
!
21
2 7
3
2 3
7
21
!
!
!
!
3.
,
,
,
,
,
sin =
cos = "
tan = "
cot = "
sec = "
csc =
7
7
2
3
2
3
4.
2
!
5 "
7 "
5.
150° =
r ad
a nd
210°
=
rad
6
6
!
!
!
!
!
!
4
3
4
3
5
5
6.
,
,
,
,
,
sin = "
cos = "
tan =
cot =
sec = "
csc = "
!
5
5
3
4
3
4
7. Third
Q uadrant
!
!
!
!
8. Answers
c ould
v ary.
J ust
e nd
u p
w ith
l eft
s ide
e qualing
r ight
s ide.
"
9. Amplitude=3,
P eriod=180,
P hase
S hift=
!
!
!
!
!
!
2
!
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