Unit Circle

PC.FT.2: Define sine and cosine as functions of radian and/or degree measures. Identify the coordinates associated with angles. Relate these values to right angle trigonometry.

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Questions 8

Answers

1
What is the Cos(4π/3)?
√3/2
-√3/2
-1/2
1/2
2
Tan(Θ) is -1 at
3π/4 and 7π/4
π/4 and 7π/4
3π/4 and 5π/4
π/4 and 5π/4
3
The degrees corresponding to 5π/4 radians are
2150
1750
1450
2250
4
What are the Coordinates for an angle of 300⁰?
(-1/2, -√3/2)
(√3/2, -1/2)
(1/2, -√3/2)
(-√3/2, -1/2)
5
The Coordinates for 7π/6 are
(√3/2, -1/2)
(1/2, -√3/2)
(-1/2, -√3/2)
(-√3/2, -1/2)
6
The radians corresponding to 60⁰ are
π/4
π/2
π/3
π/6
7
The sin(Θ) at 3π/2 is
-1
-√2/2
1
√2/2
8
Every 30⁰ is _______ radians.
π/2
π/6
π/4
π/3

Unit Circle

8 termsStudBud Administration

PC.FT.2: Define sine and cosine as functions of radian and/or degree measures. Identify the coordinates associated with angles. Relate these values to right angle trigonometry.

Flashcards8 cardsFPractice quizPHost liveL

Questions 8

Answers

1
What is the Cos(4π/3)?
√3/2
-√3/2
-1/2
1/2
2
Tan(Θ) is -1 at
3π/4 and 7π/4
π/4 and 7π/4
3π/4 and 5π/4
π/4 and 5π/4
3
The degrees corresponding to 5π/4 radians are
2150
1750
1450
2250
4
What are the Coordinates for an angle of 300⁰?
(-1/2, -√3/2)
(√3/2, -1/2)
(1/2, -√3/2)
(-√3/2, -1/2)
5
The Coordinates for 7π/6 are
(√3/2, -1/2)
(1/2, -√3/2)
(-1/2, -√3/2)
(-√3/2, -1/2)
6
The radians corresponding to 60⁰ are
π/4
π/2
π/3
π/6
7
The sin(Θ) at 3π/2 is
-1
-√2/2
1
√2/2
8
Every 30⁰ is _______ radians.
π/2
π/6
π/4
π/3