Solving Trig Equations/Law of Sines
Authored by Tyler Honeycutt
Mathematics
12th Grade
CCSS covered
Used 18+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Factor Completely:
9cos2x - 12cosx +4
Tags
CCSS.HSA.APR.C.4
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Factor Completely:
1 - 4sin2x
Tags
CCSS.HSA.APR.C.4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve on the Interval [0,2π)
tan(x)+1=2
Tags
CCSS.HSF.TF.B.7
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which of the following angles are solutions to:
4cos2(2x) - 2 = 0? From 0 - 2π
π/4, 3π/4, 5π/4, 7π/4
π/4, 3π/4, 5π/4, 7π/4, 9π/4, 11π/4, 13π/4, 15π/4
π/8, 3π/8, 5π/8, 7π/8
π/8, 3π/8, 5π/8, 7π/8, 9π/8, 11π/8, 13π/8, 15π/8
Tags
CCSS.HSF.TF.B.7
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve
2cos2θ -1=0
on θ∈[0, 2π)
Tags
CCSS.HSF.TF.B.7
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why doesn't 2cosx − 3 = 0 have solutions?
cos x is never bigger than one
cos x is never equal to a fraction
Actually, this equation does have a solution, x = π
This equation will have a solution tomorrow.
Tags
CCSS.HSF.TF.B.7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve for the unknown variable on the interval 0≤x<2π
csc2x - cscx - 2 = 0
3π/2, π/6, 5π/6
π/2, π/6, 5π/6
3π/2, π/3, 2π/3
Tags
CCSS.HSF.TF.B.7
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