Unit Circle
Authored by Anthony Clark
Mathematics
12th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
sin(30o)=
sqt2/2
1/2
1
sqt3/2
Tags
CCSS.HSF.TF.A.2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
sin(150o)=
sqt2/2
1/2
1
sqt3/2
Tags
CCSS.HSF.TF.A.2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
cos(2π/3)
-√2/2
√3/2
-1/2
0
Tags
CCSS.HSF.TF.A.2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
CCSS.HSF.TF.A.2
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which angle satisfies the equation cosx = 0? Select all that apply
x = π/2
x = π
x = 240º
x = 270º
Tags
CCSS.HSF.TF.B.7
6.
DRAG AND DROP QUESTION
1 min • 4 pts
Unlike right triangle trigonometry, sine and cosine may be negative. Thinking about how sine, cosine, and tangent relate to (x,y) coordinate pairs on the unit circle, find the quadrants where: cosine is positive: (a) & (b) cosine is negative: (c) & (d)
I
IV
II
III
Tags
CCSS.HSF.TF.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1/2
undefined-1
Tags
CCSS.HSF.TF.A.2
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