$\tan^{-1}\left(\frac{37}{13}\right)=71\degree$ 

 $\sin^{-1}\left(\frac{37}{13}\right)=undefined$ 

 $\sin^{-1}\left(\frac{13}{37}\right)=21\degree$ 

 $\tan^{-1}\left(\frac{13}{37}\right)=19\degree$ 

$\sin x=\frac{62}{75}$

$\cos x=\frac{62}{75}$

$\sin x=\frac{75}{62}$

$\cos x=\frac{75}{62}$

 $\sin^{-1}\left(\frac{62}{75}\right)=56\degree$ 

 $\cos^{-1}\left(\frac{62}{75}\right)=34\degree$ 

 $\tan^{-1}\left(\frac{62}{75}\right)=40\degree$ 

 $\cos^{-1}\left(\frac{75}{62}\right)=undefined$ 

$\sin x=\frac{12}{19}$

$\cos x=\frac{12}{19}$

$\sin x=\frac{19}{12}$

 $\cos x=\frac{19}{12}$ 

 $\sin^{-1}\left(\frac{12}{19}\right)=39\degree$ 

 $\cos^{-1}\left(\frac{12}{19}\right)=51\degree$ 

 $\sin^{-1}\left(\frac{19}{12}\right)=undefined$ 

 $\tan^{-1}\left(\frac{19}{12}\right)=58\degree$ 

$\tan x=\frac{2.8}{8.7}$

$\sin x=\frac{2.8}{8.7}$

$\tan x=\frac{8.7}{2.8}$

$\sin x=\frac{8.7}{2.8}$

 $\tan^{-1}\left(\frac{2.8}{8.7}\right)=18\degree$ 

 $\sin^{-1}\left(\frac{2.8}{8.7}\right)=19\degree$ 

 $\tan^{-1}\left(\frac{8.7}{2.8}\right)=72\degree$ 

 $\sin^{-1}\left(\frac{8.7}{2.8}\right)=undefined$ 

$\cos\theta=\frac{21.4}{28.1}$

$\sin\theta=\frac{21.4}{28.1}$

$\cos\theta=\frac{28.1}{21.4}$

$\sin\theta=\frac{28.1}{21.4}$

 $\cos^{-1}\left(\frac{21.4}{28.1}\right)=40\degree$ 

 $\sin^{-1}\left(\frac{21.4}{28.1}\right)=50\degree$ 

 $\cos^{-1}\left(\frac{28.1}{21.4}\right)=undefined$ 

 $\tan^{-1}\left(\frac{21.4}{28.1}\right)=37\degree$ 

$\cos\theta=\frac{3.9}{9.4}$

$\sin\theta=\frac{3.9}{9.4}$

$\cos\theta=\frac{9.4}{3.9}$

$\sin\theta=\frac{9.4}{3.9}$

 $\cos^{-1}\left(\frac{3.9}{9.4}\right)=65\degree$ 

 $\sin^{-1}\left(\frac{3.9}{9.4}\right)=25\degree$ 

 $\cos^{-1}\left(\frac{9.4}{3.9}\right)=undefined$ 

 $\tan^{-1}\left(\frac{3.9}{9.4}\right)=23\degree$