Answer
$\sin$ 45$^{\circ}$ = $\frac{\sqrt2}{2}$
$\cos$ 45$^{\circ}$ = $\frac{\sqrt2}{2}$
$\sec$ 45$^{\circ}$ = $\sqrt2$
$\csc$ 45$^{\circ}$ = $\sqrt2$
Work Step by Step
$\sin$ 45$^{\circ}$ = $\frac{1}{\sqrt2}$ = $\frac{\sqrt2}{2}$
$\cos$ 45$^{\circ}$ = $\frac{1}{\sqrt2}$ = $\frac{\sqrt2}{2}$
$\sec$ 45$^{\circ}$ = $\frac{\sqrt2}{1}$ = $\sqrt2$
$\csc$ 45$^{\circ}$ = $\frac{\sqrt2}{1}$ = $\sqrt2$
