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Unit Circle
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Questions (94)
using the unit circle, calculate the value of sin240°
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37 views
point P on the unit circle is given (15/17,8/17). what is the sine of the angle formed by a terminal ray that intersects the
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53 views
find tan 0 in this unit circle. (hint: the circle has a marking, (1/2,√3/2).
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A 30-60-90 triangle intersects the unit circle at point (x,y) , where y=12 . What is the value of x in point (x,y) ? Use the
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35 views
A 30-60-90 triangle intersects the unit circle at point (x,y) , where y=12 . What is the value of x in point (x,y) ? Use the
1 answer
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90 views
On the unit circle, a right triangle with an angle measure of θ
has a leg opposite of θ with a length of 12 what is the length
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101 views
Use the special triangles on the unit circle to determine θ in degrees when sinθ=3√2 .
(1 point) Responses 45° 45° 90°
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119 views
Use the special triangles on the unit circle to determine θ in degrees when sinθ=3√2 . (1 point) Responses 45° 45° 30°
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Find the coordinates of the point shown on the unit circle, if cosθ=−12
.(1 point)
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Given that cosθ=0 , find the coordinates of the point where the terminal side of θ intersects the unit circle, if θ is a
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75 views
Find cosθ if the y-coordinate of the point where the terminal side of θ intersects the unit circle is 2√2 , given that θ is
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38 views
Given that cosθ=0 , find the coordinates of the point where the terminal side of θ intersects the unit circle, if θ is a
1 answer
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43 views
Does 'using the unit circle' just mean that I use these:
In Quadrant I, theta=beta In Quadrant II, theta=180-beta In Quadrant
2 answers
asked by
anonymous
564 views
What point on the unit circle corresponds to -5pi/4?
A. (-Root2/2, Root2/2) B.(-Root3/2, 1/3 C.(-1/2, Root3/2) D.(0,1) D?
2 answers
asked by
Robert
531 views
use the unit circle to determine the exact value of each angle: sine 30 degrees, cosine pi, sine 11 pi divided by 6, and cosine
2 answers
asked by
Chris
512 views
What is the largest value of cosine of θ
on the unit circle? What is the smallest value of cosine of θ ?(1 point) The largest
1 answer
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65 views
A) P is approximately (0.883, 0.469), is a point on the unit circle with angle 28 degrees estimate the following.
Sin 152 degrees
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Claire
502 views
Given the following unit circle, rotate green dot to the appropriate angle and then find the exact value of the function.
cosine,
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90 views
Given the following unit circle, rotate green dot to the appropriate angle and then find the exact value of the function.
sine,
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84 views
Given the following unit circle, rotate green dot to the appropriate angle and then find the exact value of the function.
sine,
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67 views
Which of the following equations represents sinθ for a point (x,y) on the unit circle?(1 point) Responses sinθ=y sine theta is
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46 views
Given that cosθ=−3√/2 , find the coordinates of the point where the terminal side of θ intersects the unit circle, if θ
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33 views
Given the following unit circle, rotate green dot to the appropriate angle and then find the exact value of the function.
sine,
1 answer
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74 views
Which point does not lie on the unit circle?
(0,-1) (1/2, √3/2) (-1,2) (√2/2, √2/2)
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24 views
The unit circle has a diameter equal to 1.(1 point)
Responses True True False False
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45 views
An angle in standard position that has rotated 2π
radians corresponds to which ordered pair on the unit circle?(1 point)
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72 views
An angle in standard position that has rotated 2π radians corresponds to which ordered pair on the unit circle?(1 point)
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38 views
A special right triangle drawn in Quadrant I intersects the unit circle at point (x,y)
where y=2√2 . What is the value of x
1 answer
asked by
Dm
28 views
Drag the tiles to the correct boxes to complete the pairs.
Match the x-coordinates with their corresponding pairs of
1 answer
asked by
willie
25 views
In this discussion, you will discuss the relationships of key points on the unit circle.
For the key points shown in the four
3 answers
asked by
jschlatt
54 views
a)The sign of cosine is determined by which coordinate(s) on the unit circle?
b)The sign of sine is determined by which
1 answer
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18 views
Use the special triangle shown on the unit circle to find the tangent of pie/3
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asked by
ash
4 views
What is the arc length of an angle of pie/3 radians formed on the unit circle?
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asked by
ash
5 views
The angle 60 is shown below in standard position, together with a unit circle.
The image shows a unit circle and a right triangle
1 answer
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11 views
The angle 60 is shown below in standard position, together with a unit circle.
A circle with a radius of 1 is shown with its
1 answer
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7 views
An angle in standard position intersects the unit circle at the point (-1/2, -sqrt 3/2). Which set of information about this
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12 views
Using the unit circle, find the exact value of cos 150° and sin of 150°.(1 point) show steps
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anonymous
6 views
Using the unit circle, find the exact value of cos 150° and sin of 150°.(1 point) Responses
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asked by
anonymous
7 views
Evaluate each expression using the unit circle. Find the exact value. Show all work.
Write the ratio in reduced fractional form
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14 views
Find the values of sine t comma cosine t comma tangent t comma cosecant t comma secant t comma and cotangent t if Upper P equals
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Given the following point on the unit circle, find the angle, to the nearest tenth of a degree (if necessary), of the terminal
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3 views
A person is on the outer side of a carousel that is rotating counterclockwise. Using the unit circle to model the carousel, what
1 answer
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No
5 views
7. Evaluate each expression using the unit circle. Find the exact value. Show all work.
Write the ratio in reduced fractional
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12 views
Solve each of the following, 0° ≤ 𝜃 ≤ 360°, using the unit circle. State your answers in degree measure. a. cos 𝜃
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8 views
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Parent Categories (5)
Coordinate Plane
Coordinates and Graphing
Geometry
Special triangles
Trigonometry