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WorksheetsTrigonometry Knowing which function Applies
Total questions: 20
Worksheet time: 29mins
Name
Class
Date
1.
Which one is the easy way to remember trigonometric ratios?
a)
Sah Coh Toa
b)
Soh Cah Toa
c)
Soh Cah Tao
d)
Soh Ceh Toa
2.
What is the ratio for Sine?
a)
Hyp/Opp
b)
Opp/Hyp
c)
Opp/Adj
3.
What is the ratio for Tangent
a)
Opp/Adj
b)
Hyp/Opp
c)
Opp/Hyp
4.
What is the ratio for Cosine?
a)
Opp/Hyp
b)
Opp/Adj
c)
Adj/Hyp
5.
What is the correct ratio?
a)
9/41
b)
40/41
c)
9/40
d)
40/9
6.
The ratio in a right triangle of adjacent to hypotenuse is _____
a)
sine
b)
cosine
c)
tangent
d)
inverse cosine
7.
What is the formula for Sine?
a)
Sin θ = opposite/adjacent
b)
Sin θ = opposite/hypotenuse
c)
Sin θ = adjacent/opposite
d)
Sin θ = adjacent/hypotenuse
8.
What is the formula for Cosine
a)
Cos θ = opposite/adjacent
b)
Cos θ = opposite/hypotenuse
c)
Cos θ = adjacent/opposite
d)
Cos θ = adjacent/hypotenuse
9.
What is the formula for Tangent
a)
tan θ = opposite/adjacent
b)
tan θ = opposite/hypotenuse
c)
tan θ = adjacent/opposite
d)
tan θ = adjacent/hypotenuse
10.
What is the correct ratio?
a)
20/12
b)
12/20
c)
12/16
d)
16/12
11.
What is the correct ratio?
a)
6/10
b)
6/8
c)
8/10
d)
8/6
12.
If you are given the opposite side and hypotenuse, which trig function should you use?
a)
sine
b)
cosine
c)
tangent
13.
What is the equation you would set up for the following triangle to solve for x?
a)
sin 64 = x/25
b)
sin 64 = 25/x
c)
cos 64 = x/25
d)
tan 64 = 25/x
14.
If you are given the hypotenuse and an adjacent side, which trig function should you use?
a)
sine
b)
cosine
c)
tangent
15.
What is the equation you would set up for the following triangle to solve for x?
a)
sin 45 = 8/x
b)
sin 45 = x/8
c)
cos 45 = 8/x
d)
cos 45 = x/8
16.
What is the correct equation to solve for x?
a)
tan (45) = x/13
b)
cos (45) = x/13
c)
sin (45) = 13/x
d)
sin (45) = x/13
17.
If you are given the two sides that are not the hypotenuse, which trig function should you use?
a)
sine
b)
cosine
c)
tangent
18.
tan A = ?
a)
27/36
b)
36/27
c)
27/45
d)
36/45
19.
If you are given the opposite and adjacent sides, which trig function should you use?
a)
sine
b)
cosine
c)
tangent
d)
cotangent
20.
What is the correct equation to solve for x ?
a)
tan( 46 ) = 17/x
b)
sin ( 46 ) = x/17
c)
tan (46 ) = x/17
d)
cos (46) = x/17
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