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Precalculus
Name___________________________________ ID: 1
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Right Triangle Trigonometry
Date________________ Period____
Find the measure of each angle.
1)
2)
y
x
y
x
30°
80°
Draw an angle with the given measure in standard position.
3) 220°
4) -20°
y
y
x
x
Find the value of the trig function indicated.
5) csc q
6) sec q
15
q
q
25
15
18
Worksheet by Kuta Software LLC
-1-
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7) cot q
8) tan q
10
q
8
12
13
q
9) cos q
10) sin q
12
12
q
q
15
12 5
In each triangle ABC, angle C is a right angle. Find the value of the trig function indicated.
11) Find cot A if b = 6, a = 8
12) Find cot A if c = 22, a = 6
Find the value of each. Round your answers to the nearest ten-thousandth.
13) csc 25°
14) cos 50°
Find the value of the trig function indicated.
15) Find sec q if cos q =
3
5
16) Find sec q if tan q =
4
3
Worksheet by Kuta Software LLC
-2-
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Precalculus
Name___________________________________ ID: 1
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Right Triangle Trigonometry
Date________________ Period____
Find the measure of each angle.
1)
2)
y
x
y
x
30°
80°
640°
-150°
Draw an angle with the given measure in standard position.
3) 220°
4) -20°
y
y
x
x
Find the value of the trig function indicated.
5) csc q
6) sec q
15
q
q
25
15
18
5
3
6 11
11
Worksheet by Kuta Software LLC
-1-
©p l2R0k1G6r uKXu`t]aj PS]ozfAtgwnaDrMeq `LvLgCi.n R cAGlslw Mrdi\g\h^tssB mrGeRs^e`rkvPeZdH.k D lM\apd\eq twNiytNhw jIRnvfCi]nxiTtoel xPRrveYcSanltcRuHl\ufsu.
7) cot q
8) tan q
10
q
8
12
13
q
3
4
12
5
9) cos q
10) sin q
12
12
q
q
15
12 5
3
5
2 5
5
In each triangle ABC, angle C is a right angle. Find the value of the trig function indicated.
11) Find cot A if b = 6, a = 8
12) Find cot A if c = 22, a = 6
3
4
4 7
3
Find the value of each. Round your answers to the nearest ten-thousandth.
13) csc 25°
14) cos 50°
2.3662
0.6428
Find the value of the trig function indicated.
15) Find sec q if cos q =
3
5
16) Find sec q if tan q =
5
3
4
3
5
3
Worksheet by Kuta Software LLC
-2-
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