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Trigonometry Worksheet T1 – Labelling Triangles Label the sides of the triangles below with O for Opposite, A for Adjacent and H for Hypotenuse, 1.
7.
2.
8.
3.
9.
4.
10.
5.
11.
6.
12.
Trigonometry Worksheet T2 – Sine, Cosine & Tangent Values Give the value of each of the following: 1. sin 25o
10. sin 27o
2. cos 53o
11. cos 12o
3. tan 34o
12. tan 89o
4. sin 22o
13. sin 32o
5. cos 75o
14. cos 36o
6. tan 83o
15. tan 42o
7. sin 57o
16. sin 55o
8. cos 89o
17. cos 38o
9. tan 44o
18. tan 51o
Trigonometry Worksheet T3 – Calculating Sides
Work out the sides labelled. Questions 1 and 2 require Sine, questions 3 and 4 require Cosine, question 5 and 6 require Tangent. The rest …. you will need to work out which to use and how! (Worksheet T1 may help you!!) 1.
7.
2.
8.
3.
9.
4.
10.
5.
11.
6.
12.
Trigonometry Worksheet T4 – Calculating Angles Work out the angles labelled. Question 1 requires Sine, question 2 requires Cosine, and question 3 requires Tangent. The rest …. you will need to work out which to use! 1.
6.
2.
7.
3.
8.
4.
9.
5.
10.
Trigonometry Worksheet T1 – Labelling Triangles Label the sides of the triangles below with O for Opposite, A for Adjacent and H for Hypotenuse, 1.
7.
2.
8.
3.
9.
4.
10.
5.
11.
6.
12.
Trigonometry Worksheet T2 – Sine, Cosine & Tangent Values ANSWERS (to 4 d.p.)
1. 0.4226
10. 0.4540
2. 0.6018
11. 0.9781
3. 0.6745
12. 57.2900
4. 0.3746
13. 0.5299
5. 0.2588
14. 0.8090
6. 8.1443
15. 0.9004
7. 0.8387
16. 0.8192
8. 0.0175
17. 0.7880
9. 0.9657
18. 1.2349
Trigonometry Worksheet T3 – Calculating Sides – ANSWERS
1) cmb
bb
18.95736.01635sin16
=×=×=
7) kmj
jj
93.68660.0860sin8
=×=×=
2)
mc
c
c
69.89205.0867sin
8
=
=
=
8) mmk
kk
86.21908.015
79cos15
=×=×=
3) kmd
dd
69.145878.025
54cos25
=×=×=
9) cmm
mm
24.166494.025
33tan25
=×=×=
4)
mme
e
e
50.213256.0771cos
7
=
=
=
10) cmn
nn
85.143907.038
23sin38
=×=×=
5) cmf
ff
23.112460.25
66tan5
=×=×=
11)
kmp
p
p
94.146691.010
48cos10
=
=
=
6)
mg
g
g
63.195095.010
27tan10
=
=
=
12)
cmr
r
r
61.247314.018
43cos18
=
=
=
Trigonometry Worksheet T4 – Calculating Angles - ANSWERS 1.
o58.234.0sin
4.0sin104sin
1
=
=
=
=
−
ss
s
s
6.
o68.38625.0sin
625.0sin85sin
1
=
=
=
=
−
bb
b
b
2.
o605.0cos
5.0cos126cos
1
=
=
=
=
−
cc
c
c
7.
o74.73428571429.3tan
428571429.3tan724tan
1
=
=
=
=
−
zz
z
z
3.
o43.632tan
2tan9
18tan
1
=
=
=
=
−
tt
t
t
8.
o41.37764705882.0tan
764705882.0tan1713tan
1
=
=
=
=
−
yy
y
y
4.
o81.7195.0sin
95.0sin2019sin
1
=
=
=
=
−
ww
w
w
9.
o34.17954545454.0cos
954545454.0cos2221cos
1
=
=
=
=
−
vv
v
v
5.
o43.61478260869.0cos
478260869.0cos2311cos
1
=
=
=
=
−
xx
x
x
10.
o85.46066666667.1tan
066666667.1tan1516tan
1
=
=
=
=
−
uu
u
u
