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PRECALC: Chapter 5.1-5.3 REVIEW

Total questions: 10

Worksheet time: 3hrs 30mins

Name
Class
Date
1.
Solve on the Interval [0,2π)
tan(x)+1=2
a)
0 and π  
b)
3π/4 and 7π/4
c)
π/4 and 5π/4
d)
3π/4 and 5π/4
2.
Solve on the domain [0, 2π)
cos2 x + sin x + 1 = 0
a)
π
b)
3π/2
c)
π/6, 5π/6, 3π/2
d)
No solution
3.

Solve for 0≤x≤2π


2sin2x - 5sinx + 2 = 0

a)

π/6, 5π/6

b)

7π/6, 11π/6

c)

π/3, 2π/3

d)

4π/3, 5π/3

4.

Solve for 0≤x≤2π


tanx = 1

a)

π/2, π

b)

π/4, 3π/4

c)

π/4, 5π/4

d)

3π/4, 7π/4

5.

Solve for 0≤x≤2π


2cos2x = cosx + 1

a)

2π/3, 4π/3

b)

π/3, 2π/3

c)

0, 2π

d)

π

6.

 Solvesinx=32 for 0x2πSolve\sin x=\frac{\sqrt{3}}{2}\ ​for\ 0≤x≤2\pi  

a)

 π6,5π6\frac{\pi}{6},\frac{5\pi}{6}  

b)

 π3,5π3\frac{\pi}{3},\frac{5\pi}{3}  

c)

 π6,11π6\frac{\pi}{6},\frac{11\pi}{6}  

d)

 π3,2π3\frac{\pi}{3},\frac{2\pi}{3}  

7.

 Solvesin2x=32 for [0,2π]Solve\sin2⁡x=\frac{\sqrt{3}}{2}\ for\ \left[0,2\pi\right]  

a)

 π6,5π6\frac{\pi}{6},\frac{5\pi}{6}  

b)

 π6,π3,7π6,4π3\frac{\pi}{6},\frac{\pi}{3},\frac{7\pi}{6},\frac{4\pi}{3}  

c)

 π3,2π3\frac{\pi}{3},\frac{2\pi}{3}  

8.

 Solvecos2x=32 for 0x360°Solve\cos⁡2x=-\frac{\sqrt{3}}{2}\ for\ 0≤x≤360°  

a)

150, 210

b)

120, 150, 300, 330

c)

45, 315

d)

75, 105, 255, 285

9.

Solve: 2cos2θ -1=0 on [0, 2π).

a)

θ = π /4, 7π /4

b)

θ = π /4, 3π /4

c)

θ = 3π /4, 5π /4

d)

θ = π /4, 3π /4, 5π /4, 7π /4

10.

Solve the trigonometric equation:

 2cos(x)+2=02\cos\left(x\right)+\sqrt{2}=0  

a)

 3π4,5π4\frac{3\pi}{4},\frac{5\pi}{4}  

b)

 π4,3π4\frac{\pi}{4},\frac{3\pi}{4}  

c)

 5π4,7π4\frac{5\pi}{4},\frac{7\pi}{4}  

d)

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