
Unit Circle Concepts and Identities

Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Hard
Standards-aligned

Jackson Turner
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the radius of a unit circle?
1
0
3
2
Tags
CCSS.HSF.TF.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which point on the unit circle corresponds to the coordinates (0, 1)?
Top
Bottom
Right
Left
Tags
CCSS.HSF.TF.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the unit circle, what does the x-coordinate of a point represent?
Sine of the angle
Cosine of the angle
Cotangent of the angle
Tangent of the angle
Tags
CCSS.HSF.TF.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the y-coordinate of a point on the unit circle called?
Tangent of the angle
Cosine of the angle
Secant of the angle
Sine of the angle
Tags
CCSS.HSG.GPE.A.1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the equation of a unit circle centered at the origin?
x^2 + y^2 = 3
x^2 + y^2 = 0
x^2 + y^2 = 1
x^2 + y^2 = 2
Tags
CCSS.HSF.TF.C.8
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What identity is derived from the unit circle equation?
Pythagorean identity
Geometric identity
Trigonometric identity
Algebraic identity
Tags
CCSS.HSF.TF.C.8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can the Pythagorean identity help in finding tangent of an angle?
By using sine and cosine
By using secant and cosecant
By using sine and cosecant
By using cotangent and tangent
Tags
CCSS.HSF.TF.A.2
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