Trig Ratios G.SRT.C.6

Which of the following could find the measure of angle C? Select all that apply.

• $\sin^{-1}\ \frac{8}{17}$

• $\sin^{-1}\ \frac{15}{17}$

• $\tan^{-1}\ \frac{8}{15}$

• $\tan^{-1}\ \frac{15}{8}$

• $\cos^{-1}\ \frac{15}{17}$

Use a calculator. Round to the nearest degree. The measure of angle B is:

• cannot be determined

Which of the following would find the value of x?

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CCSS.HSG.SRT.C.6

Which of the following will find the value of x?

Which of the following will find the value of x?

• $x=\frac{50}{\sin10}$

• $x=50\cos10$

• $x=10\sin50$

• $x=\frac{10}{\tan50}$

• $x=10\cos50$

Select the correct formula for solving for x and select the value of x, rounded to the nearest hundredths place. (TWO TOTAL ANSWERS).

• $\tan18\degree=\frac{x}{24}$

• $\sin18\degree=\frac{x}{24}$

• $7.80\ cm$

• $77.67\ cm$

• $7.42\ cm$

Use your calculator. Find the value of x. Round to the nearest hundredths place. Do not include unit in your answer.

Find the value of x. Round to the nearest hundredths place. Due not include the unit in your answer.

Find the value of  $\theta$  . Round your answer to the nearest degree.

Find the value of  $\theta$  . Round to the nearest degree.

•  $18\degree$  

•  $19\degree$  

•  $65\degree$  

•  $71\degree$