Question

porfavor ayudenme doy coronita

Answer 1

$\frac{ {sen}^{2}45 + {cos}^{2} 45}{ \sqrt{2} csc45} \\ \\ \frac{ \frac{1}{2} + \frac{1}{2} }{ \sqrt{2} \frac{ \sqrt{2} }{1} } \\ \\ \frac{1}{2}$