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5.5a Assignment

Authored by Sarah Wolken

Mathematics

9th - 12th Grade

CCSS covered

Used 1+ times

5.5a Assignment
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6 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve sinθ=12\sin\theta=\frac{1}{2}  0θ<2π0\le\theta<2\pi  

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

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

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

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

Tags

CCSS.HSF.TF.B.7

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve 2cosx=32\cos x=-\sqrt{3} .  

 x=2π3+2nπ, x=4π3+2nπx=\frac{2\pi}{3}+2n\pi,\ x=\frac{4\pi}{3}+2n\pi  

 x=π3+2nπ, x=2π3+2nπx=\frac{\pi}{3}+2n\pi,\ x=\frac{2\pi}{3}+2n\pi  

 x=π6+2nπ, x=5π6+2nπx=\frac{\pi}{6}+2n\pi,\ x=\frac{5\pi}{6}+2n\pi  

 x=5π6+2nπ, x=7π6+2nπx=\frac{5\pi}{6}+2n\pi,\ x=\frac{7\pi}{6}+2n\pi  

Tags

CCSS.HSF.TF.B.7

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Solve 42=8sinx4\sqrt{2}=-8\sin x  0x<2π0\le x<2\pi  

 x=π4,7π4x=\frac{\pi}{4},\frac{7\pi}{4}  

Answer option 2
 x=3π4,5π4x=\frac{3\pi}{4},\frac{5\pi}{4}  

 x=π4,3π4x=\frac{\pi}{4},\frac{3\pi}{4}  

 x=5π4,7π4x=\frac{5\pi}{4},\frac{7\pi}{4}  

Tags

CCSS.HSF.TF.B.7

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve cosx+1=0\cos x+1=0 

 x=0+2nπx=0+2n\pi  

No Solution

 x=π+2nπx=\pi+2n\pi  

 x=3π2+2nπx=\frac{3\pi}{2}+2n\pi  

Tags

CCSS.HSF.TF.B.7

5.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Solve: 2sin2xsinx=02\sin^2x-\sin x=0  0x<2π0\le x<2\pi   

 x=0,π6,5π6,πx=0,\frac{\pi}{6},\frac{5\pi}{6},\pi  

 x=0,π3,2π3,2πx=0,\frac{\pi}{3},\frac{2\pi}{3},2\pi  

 x=π6,5π6x=\frac{\pi}{6},\frac{5\pi}{6}  

 x=π3,2π3x=\frac{\pi}{3},\frac{2\pi}{3}  

Tags

CCSS.HSF.TF.B.7

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve: sin2x=12\sin2x=\frac{1}{2}  0x<2π0\le x<2\pi   

 x=π6,5π6x=\frac{\pi}{6},\frac{5\pi}{6}  

 x=π3,2π3x=\frac{\pi}{3},\frac{2\pi}{3}  

 x=π12,5π12x=\frac{\pi}{12},\frac{5\pi}{12}  

 x=π12,13π12,5π12,17π12x=\frac{\pi}{12},\frac{13\pi}{12},\frac{5\pi}{12},\frac{17\pi}{12}  

Tags

CCSS.HSF.TF.B.7

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