Period
TrigonometryWorksheet# I
8.4day 1-assignment
(13J
For #1-6,write the trig ratio asa fractionin simplestterms.
l. sinA=
4. sinB=
2. cosA:
5. cosB:
3 . t a nA :
6. tanB=
d='12
C
b=9
For # 7 - 12,write the trig ratio asa fractionin simplestform.
T
7. sinR:
10. sin S =
8. cosR=
11. cosS =
9. tanR=
12. tanS:
o
0
fr
For # 13-18,useyour calculatorto find the valueof the trig function. Roundto
four decimalplaces.
13
cos72"
14.
sin l9o
15.
tan50"
16.
cos27o
17.
sin 84o
18.
tan23"
GEOMETRY
Name
Period
What did the cannibal get when he was late for dinner?
Find the missing sidesusing the Pythagoreantheorem. Then find the trig ratios. You will need to
simplifythe fractions.That answerwill matcha letter that will allow you to figure out the joke.
t2
t3
5
C.
12
1. x=
T.
2 . sinA=
o. I
3. c o s A=
5
15
R.
8
L. 6
4. tanB=
5, ta n A=
H.
I
B . ta n F =
5
5
U.
13
0. T7
9. c o s F =
H.
T
D.
t2
5
6'y =
8in
Is ft
7. c o s D =
3
8
E.
t7
10. tan D =
a
J
11 . z =
E.
12. tan | =
S. L2
13 . s i n| =
L.
15
17
14. tan H =
D.
8
15
15. sin H =
13
Daniels/2/28/1,0/g
i
5cm
5
9
t4
2
7
10
LI
3
B 4 joke 19ladapted frorn Geo joke worksheets by Nasco/mac
6
15
L
12
4
B

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