Correct. First use your calculator to find $\displaystyle{{\sin{{53}}}}^{\circ}={0.79863551}\usepackage{cmbright}\Huge\$ . Find the reciprocal of this: $\displaystyle{{\csc{{53}}}}^{\circ}={1.252135658}\approx{1.252}\usepackage{cmbright}\Huge\$ .