Help 46 ​

Hey NSN!

 

Find $\csc{\frac{5\pi}{4}}$

 

$\csc{\frac{5\pi}{4}}$ = $\frac{1}{\sin{\frac{5\pi}{4}}}$

 

$\sin{\frac{5\pi}{4}}=\sin({\frac{\pi}{4}+\pi})=-\frac{\sin{\pi}}{4}=-\frac{\sqrt{2}}{2}$

 

$\boxed{-\sqrt{2}}$

 

I hope this helped,

 

Gavin