Solve for Angles using Trig

Which of the following would you use to find the measure of an angle?

• Pythagorean theorem
• Sin, Cos, or Tan
• Sin^-1, Cos^-1, or Tan^-1
• Chord-Chord Product Theorem

Tags

CCSS.HSF.TF.A.3

CCSS.HSF.TF.B.7

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

CCSS.HSG.SRT.D.11

What should be typed into a calculator (in degree mode) to solve for x?

• $\sin\left(\frac{3}{7}\right)$

• $\sin^{-1}\left(\frac{3}{7}\right)$

• $7\sin^{-1}\left(3\right)$

• $\sin^{-1}\left(\frac{7}{3}\right)$

Which trig equation would you use to find the measure of the indicated angle (?)

• $\cos\left(?\right)=\frac{23}{28}$

• $\sin\left(?\right)=\frac{23}{28}$

• $\tan\left(?\right)=\frac{23}{28}$
  

• $\tan\left(?\right)=\frac{28}{23}$

Which trig equation would you use to find the measure of the indicated angle (?)

• $\tan\left(\theta\right)=\frac{5}{4}$
  

• $\sin\left(\theta\right)=\frac{4}{5}$
  

• $\cos\left(\theta\right)=\frac{5}{4}$
  

• $\cos\left(\theta\right)=\frac{4}{5}$

Use inverse trig ratios (SOH CAH TOA) to solve for the missing angle

• 32°
• 44°
• 61°
• 50°

Tags

CCSS.HSF.TF.B.7

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Use inverse trig ratios (SOH CAH TOA) to solve for the missing angle

• 33°
• 49°
• 39°
• 41°

Tags

CCSS.HSF.TF.B.7

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Find the measure of the missing angle.

• 49^o
• 50^o
• 41^o
• 33^o

Tags

CCSS.HSG.CO.C.10

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Solve for x.

• 25

• 65

• error

• .0074

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

Solve for x.

• 50

• 40

• 41

• 49

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Solve for x. Round your answer to the nearest hundredth.

• 12

• 10.39

• 5.20

• 3

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8