PHS: Inverse Trig Ratios

Any triangle ever

Non-right triangles only

Right Triangles only

Never

x = sin^–1(4/5)

x = cos^–1(4/5)

x = cos^–1(5/4)

x = tan^–1(4/5)

x = tan^–1(24/7)

x = tan^–1(7/24)

x = tan^–1(25/7)

x = tan^–1(7/25)

$\frac{10}{12.9}$

$\frac{8}{12.9}$

x = tan^–1(24/7)

x = tan^–1(7/24)

x = tan^–1(25/7)

x = tan^–1(7/25)

sin (x) = 11/27

sin (x) = 27/11

cos (x) = 11/27

tan (x) = 11/27

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

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

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

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

x = sin^–1(4/5)

x = cos^–1(4/5)

x = cos^–1(5/4)

x = tan^–1(4/5)