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Duplicate of Intro to Trig Functions Flashcards | StudBud
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Duplicate of Intro to Trig Functions
Duplicate of Intro to Trig Functions
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Beginner Trig ratios for LSC Geometry. #geometrictrigfunctions #sophmores #trigonometry #LSCGeometry
Flashcards
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Questions
15
Answers
1
So, what is the
sin(45°)
?
0.6947
1/√2 or √2/2
1.0000
0.7071
2
The
A
in SOH CAH TOA stands for:
anaconda
ah-pposite
adjacent
algebra
3
What is
tan(45
°
)
?
1/√2 or √2/2
0.9657
0.7071
1.0000
4
What trig function is needed to solve for theta?
cosine
pythagorean theorem
tangent
sine
5
Trigonometry
is the branch of math that deals with measuring triangles - but what kind?
Isosceles
All of the above
Equilateral
Right
6
How can we
evaluate
trig functions, e.g. find the sin(45°)?
Use scientific calculator, in degree mode
Guess
Use the table Ms. Shepherd gave me
Set up a ratio of given side lengths
7
What is the relationship of the sides in a
tangent
ratio?
opposite/hypotenuse
adjacent/opposite
opposite/adjacent
hypotenuse/adjacent
8
What is the relationship of the sides in a
cosine
ratio?
adjacent/hypotenuse
adjacent/opposite
opposite/adjacent
opposite/hypotenuse
9
The
H
in SOH CAH TOA stands for:
hypocrite
height
horizontal
hypotenuse
10
Which trig ratio could be used to solve for
angle B
?
sin B = opp/hyp = 5/13
tan B = opp/adj = 12/5
sin B = opp/hyp = 13/12
cos B = adj/hyp = 12/13
11
What is the relationship of the sides in a
sine
ratio?
opposite/hypotenuse
opposite/opposite
opposite/adjacent
adjacent/hypotenuse
12
What trig function is needed to solve for the following angle?
pythagorean theorem
tangent
sine
cosine
13
The
O
in SOH CAH TOA stands for:
omega
hypotenuse
opposite
odjacent
14
What is
cos(45°)
?
0.7071
1.0000
1/√2 or √2/2
0.7193
15
Which trig ratio could be used to solve for
angle A?
cos A = adj/hyp = 5/12
sin A = opp/hyp = 12/13
cos A = adj/hyp = 5/13
sin A = opp/hyp = 5/13
