Solving Trig Equations
Quiz
•
Mathematics
•
11th Grade
•
Practice Problem
•
Medium
Standards-aligned
Jennifer Gray
Used 16+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Choose a good way to start solving this equation
tanx sin2x = 2 tanx
divide tanx from both sides
factor out tanx
subtract 2 tanx from the left and then factor tanx out
cancel sin2x out
Tags
CCSS.HSF.TF.B.7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve on the domain [0, 2π)
0 = sinx(sinx − 1)
0, π
0, π, ½π
½π
0, 90, 270
Tags
CCSS.HSF.TF.B.7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is a correct way to solve the equation
cosx(2cosx − 3) = 0?
divide cos x from both sides
set each factor equal to 0 and solve
distribute cosx into the parentheses
guess and hope for the best
Tags
CCSS.HSF.TF.B.7
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve on the domain [0, 2π)
tan(x)+1=2
0 and π
3π/4 and 7π/4
π/4 and 5π/4
3π/4 and 5π/4
Tags
CCSS.HSF.TF.B.7
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Solve on the domain [0, 2π)
2cos2θ -1 = 0
θ = π /4, 7π /4
θ = π /4, 3π /4
θ = 3π /4, 5π /4
θ = π /4, 3π /4, 5π /4, 7π /4
Tags
CCSS.HSF.TF.B.7
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Solve on the domain [0, 2π)
1/2sec x - 1 = 0
Tags
CCSS.HSF.TF.B.7
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Solve on the domain [0, 2π)
4sin2x = 3
Tags
CCSS.HSF.TF.B.7
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