PHS: Inverse Trig Ratios

We can use SOH-CAH-TOA for...

• Any triangle ever

• Non-right triangles only

• Right Triangles only

• Never

Tags

CCSS.HSF.TF.A.2

Which equation would you use to solve for the unknown angle?

• x = sin^–1(4/5)

• x = cos^–1(4/5)

• x = cos^–1(5/4)

• x = tan^–1(4/5)

Tags

CCSS.HSF.TF.B.7

Which equation would you use to solve for the unknown angle?

• x = tan^–1(24/7)

• x = tan^–1(7/24)

• x = tan^–1(25/7)

• x = tan^–1(7/25)

Tags

CCSS.HSF.TF.B.7

Choose the correct ratio.

• sin^-1(9/20)
• cos^-1(9/20)
• tan^-1(9/20)
• cos^-1(20/9)

Tags

CCSS.HSF.TF.B.7

tan^-1( )

• $\frac{10}{12.9}$

• $\frac{8}{12.9}$

• 
  

  $\frac{8}{10}$

Tags

CCSS.HSF.TF.B.7

Which equation would you use to solve for the unknown angle?

• x = tan^–1(24/7)

• x = tan^–1(7/24)

• x = tan^–1(25/7)

• x = tan^–1(7/25)

Tags

CCSS.HSF.TF.B.7

Which equation is true?

• sin (x) = 11/27

• sin (x) = 27/11

• cos (x) = 11/27

• tan (x) = 11/27

Tags

CCSS.HSF.TF.A.2

Which expression is correct to calculate the (?) angle in this triangle?

•  $\left(?\right)=\cos^{-1}\left(\frac{68}{85}\right)$  

•  $\left(?\right)=\ \sin^{-1}\left(\frac{68}{85}\right)$  

•  $\left(?\right)=\tan^{-1}\left(\frac{85}{68}\right)$  

•  $\left(?\right)\ =\ \cos^{-1}\left(\frac{85}{51}\right)$  

Tags

CCSS.HSF.TF.B.7

Choose the correct ratio.

• sin^-1(12/29)
• cos^-1(12/29)
• tan^-1(12/29)
• tan^-1(29/12)

Tags

CCSS.HSF.TF.B.7

Which equation would you use to solve for the unknown angle?

• x = sin^–1(4/5)

• x = cos^–1(4/5)

• x = cos^–1(5/4)

• x = tan^–1(4/5)

Tags

CCSS.HSF.TF.B.7