Trigonometry - finding the side

Choose the correct step in solving for x.

• $3.1\cos20.8\degree=x$

• $3.1\sin20.8\degree=x$

• $3.1\tan20.8\degree=x$

Tags

CCSS.HSG.SRT.C.8

Choose the correct step in solving for x.

• $3\tan46\degree=x$

• $\frac{3}{\tan46\degree}=x$

• $3\cos46\degree=x$

• $\frac{3}{\cos46\degree}=x$

• $\frac{3}{\sin46\degree}=x$

Tags

CCSS.HSG.SRT.C.8

Choose the correct step in solving for x.

• $\frac{2}{\cos49\degree}=x$

• $\frac{2}{\tan49\degree}=x$

• $2\cos49\degree=x$

• $2\sin49\degree=x$

• $2\tan49\degree=x$

Find x to 1 decimal place.

•  $x=5.7\ mi$ 

•  $x=18.3\ mi$ 

•  $x=9.4\ mi$ 

•  $x=12.8\ mi$  

Tags

CCSS.HSG.SRT.C.8

Find x to 1 decimal place.

• $x=17.8\ km$

• $x=23.9\ km$

• $x=21.5\ km$

• $x=14.4\ km$

Tags

CCSS.HSG.SRT.C.8

Find x to 1 decimal place.

• $x=5.9\ cm$

• $x=9.3\ cm$

• $x=17.3\ cm$

• $x=20.5\ cm$

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Find  $b$  if  $m\angle B=60\degree\ and\ a=12.$  Choose the correct diagram.

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