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Trig Ratios

Total questions: 18

Worksheet time: 54mins

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)

hypopp\frac{hyp}{opp}

b)

opphyp\frac{opp}{hyp}

c)

oppadj\frac{opp}{adj}

d)

adjopp\frac{adj}{opp}

3.

What is the ratio for Cosine?

a)

opphyp\frac{opp}{hyp}

b)

oppadj\frac{opp}{adj}

c)

adjopp\frac{adj}{opp}

d)

adjhyp\frac{adj}{hyp}

4.

What is the ratio for Tangent

a)

opphyp\frac{opp}{hyp}

b)

adjopp\frac{adj}{opp}

c)

oppadj\frac{opp}{adj}

d)

hypopp\frac{hyp}{opp}

5.
If you are given the two sides that are not the hypotenuse, which trig function should you use?
a)
sine
b)
cosine
c)
tangent
6.
If you are given the opposite side and hypotenuse, which trig function should you use?
a)
sine
b)
cosine
c)
tangent
7.
If you are given the hypotenuse and an adjacent side, which trig function should you use?
a)
sine
b)
cosine
c)
tangent
8.
Which side is adjacent to angle x?
a)
1
b)
2
c)
3
9.
Which side is opposite angle x?
a)
1
b)
2
c)
3
10.
How do you locate the hypotenuse on a right triangle?
a)
It's across from angle A.
b)
It's always on the left side.
c)
It's across from the right angle.
d)
It is the shortest side.
11.
Which side is the hypotenuse?
a)
1
b)
2
c)
3
12.
a)
A
b)
B
c)
C
d)
D
13.
a)
A
b)
B
c)
C
d)
D
14.
a)
A
b)
B
c)
C
d)
D
15.
Choose the correct ratio.
a)
sinZ=5/13
b)
sinX=5/13
c)
cosX=13/12
d)
tanZ=12/5
16.
Which trigonometric ratio is correct?
a)
sinA= opp/adj
b)
cosA= opp/hyp
c)
tanA= opp/adj
d)
sinA= adj/opp
17.
What equation can be used to solve for x?
a)
Sin(40°)= x/40 
b)
Sin(40º)=x/19
c)
Cos(40º)=x/19
d)
Tan(40°)=19/x
18.
Choose the correct ratio.
a)
cos(33)=x/14
b)
sin(33)=x/14
c)
cos(33)=14/x
d)
sin(33)=14/x