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Unit Circle Trig Functions Flashcards | StudBud
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Unit Circle Trig Functions
Unit Circle Trig Functions
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Evaluating Trigonometric functions of unit circle angles. #trigonometry #unitcircle #radians
Flashcards
10 cards
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Practice quiz
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Host live
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Questions
10
Answers
1
Evaluate sec(225
o
)
-√2/2
√3/2
-√2
-1
2
What quadrant is cosƟ < 0 and tanƟ >0?
IV
III
II
I
3
Given sinƟ = -3/5 and cotƟ < 0, find secƟ.
5/4
-4/3
4/5
-5/3
4
What quadrant does -100
o
terminate?
III
I
IV
II
5
Evaluate cos(180
o
)
0
-1
-½
√2/2
6
What two quadrants is cosƟ > 0?
I and IV
I and II
II and III
I and III
7
Evaluate sin(135
o
)
-√2/2
√2/2
½
√3/2
8
secant is the reciprocal of what trig function?
sine
tangent
cosine
cosecant
9
What quadrant does 280
0
terminate?
III
IV
II
I
10
Given terminal point (2, -3) for Ɵ, find cotƟ.
-√5/2
-3/2
-3/√5
-2/3
