[tex]\bf \textit{Cofunction Identities}
\\ \quad \\
sin\left(\frac{\pi}{2}-{{ \theta}}\right)=cos({{ \theta}})\qquad
cos\left(\frac{\pi}{2}-{{ \theta}}\right)=sin({{ \theta}})
\\ \quad \\ \quad \\
tan\left(\frac{\pi}{2}-{{ \theta}}\right)=cot({{ \theta}})\qquad
cot\left(\frac{\pi}{2}-{{ \theta}}\right)=tan({{ \theta}})
\\ \quad \\ \quad \\
sec\left(\frac{\pi}{2}-{{ \theta}}\right)=csc({{ \theta}})\qquad
\boxed{csc\left(\frac{\pi}{2}-{{ \theta}}\right)=sec({{ \theta}})}\\\\[/tex]
[tex]\bf -----------------------------\\\\
sec(14^o)\implies csc\left( 90^o-14^o \right)\implies csc(76^o)[/tex]
