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Duplicate of Trigonometry Flashcards | StudBud
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Duplicate of Trigonometry
Duplicate of Trigonometry
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Reviews Trigonometric Functions
Flashcards
10 cards
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Practice quiz
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Questions
10
Answers
1
What is true about a right triangle?
All angles are equal
None of the angles is greater than 60 degrees
One angle equals 90 degrees
All angles add up to equal 108
2
What is always true about the side directly across from the right angle? It is...
same length as the other two sides
always the shortest
neither shortest or longest
always the longest
3
Find sin(X)
5/4
4/5
4/3
3/5
4
What parts of a right triangle must you know in order to find the sine?
adjacent and hypotenuse
all side lengths
opposite and hypotenuse
opposite and hypotenuse
5
You have a right triangle and one angle measures 60 degrees, what do the other angles measure?
30o and 60o
30o and 90o
90o and 60o
60o and 60o
6
Find tan(X)
4/3
5/3
4/5
3/4
7
True or False: A right triangle can have an obtuse angle.
False
True
8
What is the anagram that will help you remember trigonometry functions?
SOH CAH TOA
COMMUTATIVE
SIG FIGS
PEMDAS
9
What parts of a right triangle must you know in order to find the cosine?
opposite and hypotenuse
opposite and adjacent
all side lengths
adjacent and hypotenuse
10
What type of triangle must you have to use sine, cosine, and tangent?
Right
Obtuse
Equilateral
Acute
