In Exercises 1-4, use a calculator to evaluate each function. Round your answers to four decimal places.

Question:

In Exercises 1-4, use a calculator to evaluate each function. Round your answers to four decimal places. (Be sure the calculator is in the correct mode.)
1.
(a) sin 20.2°
(b) csc 69.8°
2.
(a) tan 12.75°
(b) cot 12.75°
3.
(a) cot π / 16
(b) tan π / 16
4.
(a) sec π / 9
(b) cos π / 9