Use a Calculator to Approximate the Following $\cos 28^{\circ} 52^{\prime}$ (B) $\cot 52.1896^{\circ}$

Short Answer

Use a calculator to approximate the following.
(a) $\cos 28^{\circ} 52^{\prime}$
(b) $\cot 52.1896^{\circ}$
(c) $\csc 19.635^{\circ}$