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4R 8.4-8.7 trig equations

Authored by KIRK MICHELLE

Mathematics

11th - 12th Grade

10 Questions

CCSS covered

Used 5+ times

4R 8.4-8.7 trig equations
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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve equation for  0θ<2π0\le\theta<2\pi  .
 1=58cosθ1=5-8\cos\theta  

 θ=π6,π3,11π6\theta=\frac{\pi}{6},\frac{\pi}{3},\frac{11\pi}{6}  

 θ=π6,11π6\theta=\frac{\pi}{6},\frac{11\pi}{6}  

 θ=π6\theta=\frac{\pi}{6}  

 θ=π3,5π3\theta=\frac{\pi}{3},\frac{5\pi}{3}  

Tags

CCSS.HSF.TF.B.7

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve equation for  0θ<2π0\le\theta<2\pi  .
 2=5+3secθ-2=-5+3\sec\theta  

 θ=0,π3\theta=0,\frac{\pi}{3}  

 θ=0\theta=0  

 θ=π3,5π3\theta=\frac{\pi}{3},\frac{5\pi}{3}  

 No SolutionNo\ Solution  

Tags

CCSS.HSF.TF.B.7

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve equation for  0θ<2π0\le\theta<2\pi  .
 4+4tanθ=04+4\tan\theta=0  

 θ=π\theta=\pi  

 θ=7π4\theta=\frac{7\pi}{4}  

 θ=3π4,7π4\theta=\frac{3\pi}{4},\frac{7\pi}{4}  

 θ=0,3π4\theta=0,\frac{3\pi}{4}  

Tags

CCSS.HSF.TF.B.7

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve equation for  0θ<2π0\le\theta<2\pi  .
 1+tan2θ=4tan2θ1+\tan^2\theta=4\tan^2\theta  

 θ=π6,5π6,7π6,11π6\theta=\frac{\pi}{6},\frac{5\pi}{6},\frac{7\pi}{6},\frac{11\pi}{6}  

 θ=π3,2π3,4π3,5π3\theta=\frac{\pi}{3},\frac{2\pi}{3},\frac{4\pi}{3},\frac{5\pi}{3}  

 θ=π6,7π6\theta=\frac{\pi}{6},\frac{7\pi}{6}  

 θ=π6,5π6,7π6\theta=\frac{\pi}{6},\frac{5\pi}{6},\frac{7\pi}{6}  

Tags

CCSS.HSF.TF.B.7

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve equation for  0θ<2π0\le\theta<2\pi  .
 3sin2θ+4=5+sin2θ3\sin^2\theta+4=5+\sin^2\theta  

 θ=π4,5π4,7π4\theta=\frac{\pi}{4},\frac{5\pi}{4},\frac{7\pi}{4}  

 θ=π4,7π4\theta=\frac{\pi}{4},\frac{7\pi}{4}  

 θ=π4,3π4\theta=\frac{\pi}{4},\frac{3\pi}{4}  

 θ=π4,3π4,5π4,7π4\theta=\frac{\pi}{4},\frac{3\pi}{4},\frac{5\pi}{4},\frac{7\pi}{4}  

Tags

CCSS.HSF.TF.B.7

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 Solve  2sin2x  1 = 1 for 0  x < 2πSolve\ \ 2\sin^2x\ -\ 1\ =\ 1\ for\ 0\ \le\ x\ <\ 2\pi  

 0, π0,\ \pi  

 π2, 3π2\frac{\pi}{2},\ \frac{3\pi}{2}  

 0, π2, π, 3π20,\ \frac{\pi}{2},\ \pi,\ \frac{3\pi}{2}  

No solution

Tags

CCSS.HSF.TF.B.7

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve  1+3cosθ=4-1+3\cos\theta=-4  over the interval  [0,2π)\left[0,2\pi\right)  

 π\pi  

 4π3\frac{4\pi}{3}  

 2π3,4π3\frac{2\pi}{3},\frac{4\pi}{3}  

 π2, 3π2\frac{\pi}{2},\ \frac{3\pi}{2}  

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