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Identifying the Unknown Side (Trig) Flashcards | StudBud
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Identifying the Unknown Side (Trig)
Identifying the Unknown Side (Trig)
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Identifying hypotenuse opposite and adjacent sides in right angles triangles
Flashcards
32 cards
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Questions
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Answers
1
26. Write the trigonometric ratio for cos X
cos X = 9/15 = 0.60
cos X = 12/15 = 0.80
cos X = 12/9 ≃ 1.33
cos X = 9/12 = 0.75
2
Identify side
x
adjacent
hypotenuse
opposite
3
tan of c?
8/6
3/4
4/5
3/5
4
Identify side
x
adjacent
opposite
hypotenuse
5
Find cos of 25
8/c
c/b
b/c
6
Find Cos C
56/84
29/20
21/29
20/29
7
Which Trig ratio would you use in this question?
Cos
Sin
Pythagoras
Tan
8
Identify side
x
opposite
hypotenuse
adjacent
9
What is the acronym to remember the trig ratios?
SOA CAH TOH
SOH CAH TOA
SOH COA TOH
SAH COH TOA
10
When do you use the inverse trigonometry functions?
When you have an angle and a side
When you have two sides
When you have all the angles
When you are trying to find the missing angle
11
tan of c?
3/4
3/5
4/5
8/6
12
Identify side
x
adjacent
opposite
hypotenuse
13
Identify side
x
opposite
adjacent
hypotenuse
14
Find Tan (T)
33/56
65/33
t=33
t=33
15
True or False: SIN, COS, TAN are functions just like Square and Square Root
True
False
16
Identify side
x
adjacent
hypotenuse
opposite
17
Pythagorean Theorem
a2+b2=c2
a+b=c
π
18
Identify side
x
adjacent
hypotenuse
opposite
19
Identify side
x
adjacent
hypotenuse
opposite
20
Identify side
x
hypotenuse
opposite
adjacent
21
Write the sine ratio of ∡C.
12 ∕ 5
13 ∕ 12
5 ∕ 13
12 ∕ 13
22
Identify side
x
hypotenuse
adjacent
opposite
23
Identify side
x
hypotenuse
adjacent
opposite
24
Which Trig ratio would you use in this question?
Pythagoras
Tan
Sin
Cos
25
What type of triangle do you use when you are solving a Pythagorean theorem ?
Scalene triangle
Equilateral triangles
Right triangle
Isosceles triangles
26
Which Trig ratio would you use in this question?
Tan
Pythagoras
Sin
Cos
27
Find tan of A
b/c
b/a
a/b
28
Identify side
x
hypotenuse
opposite
adjacent
29
When do you use SIN
-1
, COS
-1
, TAN
-1
?
To find the circumference
To find an angle
I DON'T KNOW
To find the radius
30
Use sin, cos, or tan when finding the _________ of a right triangle
angle
side
31
Identify side
x
adjacent
hypotenuse
opposite
32
Identify side
x
adjacent
hypotenuse
opposite
