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