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Unit Circle Trig Functions Flashcards | StudBud
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Unit Circle Trig Functions
Unit Circle Trig Functions
20 terms
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270 plays
Evaluating Trigonometric functions of unit circle angles. #trigonometry #unitcircle #radians
Flashcards
20 cards
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Questions
20
Answers
1
What is the cos(2π/3)?
½
-√3/2
√3/2
-½
2
Finish the lyrics..."Whoah, we're half way there, whoah, living on a _______ "
Dream
Prayer
Thread
Cloud
3
What is the cos(3⫪)?
1
undefined
0
-1
4
What is the sin 210°?
½
-½
-√3/2
√3/2
5
What is the sin(π/6)?
√3/2
√2/2
1
½
6
Find the value of x such that cos (x) = 0
180°
45°
360°
90°
7
Find values of x such that cos (x) =½
60° and 300°
30° and 150°
60° and 120°
210° and 330°
8
What is the tan(π/2)?
undefined
-1
0
1
9
Find the sin(-2π/3)
√2/2
-1/2
-√3/2
√3/3
10
What is the tan45°?
undefined
1
0
-1
11
What is the sin (3⫪/2) ?
-1
undefined
1
0
12
Finsih the lyrics..."you must not know bout _____"
Her
Them
Me
Him
13
sin(-45
o
)
undefined
-√2/2
√2/2
-45
14
A farmer has 17 sheep. All but 9 die, how many does the farmer have?
17
1
9
8
15
sin 510°
-1
1
½
-½
16
Find the value of x such that cos (x) = 1
90°
45°
0°
270°
17
Find the values of x such that tan x = -1
45° and 135°
225° and 315°
135° and 315°
135° and 225°
18
What are our names?
Joe and Steve
Steve and Marty
Joe and Marty
Fred and Mark
19
What is the cos(π/3)?
1
√3/2
√2/2
½
20
Find the value of x such that sin (x) = -½
90°
210°
45°
180°
