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Enicks review for chapter 5 test Trig

Authored by Millie Enicks

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10th - 12th Grade

Used 3+ times

Enicks review for chapter 5 test Trig
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8 questions

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1.

OPEN ENDED QUESTION

30 sec • Ungraded

Name (First, Last)

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2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the sec θ\theta  = ?, when tan θ\theta  =3 and cos θ\theta  >0

 10\sqrt{10}  

 1010\frac{\sqrt{10}}{10}  

 110\frac{1}{10}  

 110\frac{1}{\sqrt{10}}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify. sin2x + cos2x + cot2x

cot 2x

csc2x

sec2x

csc x

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 secθ +cscθ1+tanθ\frac{\sec\theta\ +\csc\theta}{1+\tan\theta}  Verify the identity. Find the equivalent answer below.

  secθ\sec\theta  

  cotθ\cot\theta  

  cscθ\csc\theta  

 tanθ\tan\theta  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find all solutions of the equation on the interval [0, 2 π\pi  ]
 4cos2x = 34\cos^2x\ =\ 3  

 π6, 5π6, 7π6, 11π6\frac{\pi}{6},\ \frac{5\pi}{6},\ \frac{7\pi}{6},\ \frac{11\pi}{6}  

 0, π20,\ \frac{\pi}{2}  

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

 π6, 5π6\frac{\pi}{6},\ \frac{5\pi}{6}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the EXACT value for the trigonometric expression.
 cos 15°\cos\ 15\degree  

 6424\frac{\sqrt{6}}{4}-\frac{\sqrt{2}}{4}  

 2464\frac{\sqrt{2}}{4}-\frac{\sqrt{6}}{4}  

 62+64\frac{\sqrt{6}}{2}+\frac{\sqrt{6}}{4}  

 64+24\frac{\sqrt{6}}{4}+\frac{\sqrt{2}}{4}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Simplify.     cos 24°cos 36°sin24°sin36°Simplify.\ \ \ \ \ \cos\ 24\degree\cos\ 36\degree-\sin24\degree\sin36\degree  

 12\frac{1}{2}  

 22\frac{\sqrt{2}}{2}  

 32\frac{\sqrt{3}}{2}  

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