Trigonometry Q2 Review

Find the exact value of $\csc\left(-270\degree\right)$  

Tags

CCSS.HSF.TF.A.2

In your opinion, how difficult was this problem?

• Very easy

• I had a little trouble

• I need help with problems like this!

Use the given information and a calculator to find

 $\theta$  to the nearest tenth of a degree if  $0\degree\le\theta<360\degree$  .

 $\sin\theta=-0.6817$  with  $\theta\in QII$  

Tags

CCSS.HSF.TF.B.7

In your opinion, how difficult was this problem?

• Very easy

• I had a little trouble

• I need help with problems like this!

Consider the following angle:  $220\degree$  

Draw the angle in standard position.

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• 
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• None of the above

Consider the following angle:  $220\degree$  

Convert into radian measure.

•  $\frac{\pi}{9}$  

•  $\frac{2\pi}{9}$  

•  $\frac{7\pi}{9}$  

•  $\frac{11\pi}{9}$  

•  $\frac{16\pi}{9}$  

Tags

CCSS.HSF.TF.A.1

Consider the following angle:  $220\degree$  

Find the reference angle in radians.

•  $\frac{\pi}{9}$  

•  $\frac{2\pi}{9}$  

•  $\frac{7\pi}{9}$  

•  $\frac{11\pi}{9}$  

•  $\frac{16\pi}{9}$  

In your opinion, how difficult was this problem?

• Very easy

• I had a little trouble

• I need help with problems like this!

Evaluate the expression for when  $x=\frac{2\pi}{3}$  

Enter the exact value.

 $\sin\left(\frac{1}{2}x+\frac{\pi}{6}\right)$  

Tags

CCSS.HSF.TF.C.9

Select all formulas that are equivalent to  $s=r\theta$  

•  $A=\frac{1}{2}r^2\theta$  

•  $r=\frac{s}{\theta}$  

•  $\theta=\frac{s}{r}$  

•  $r=\frac{\omega}{t}$  

Tags

CCSS.HSG.C.B.5