1.

Evaluate without using a calculator. sec(1209) =\fFind the value of sin without using a calculator. If the answer is not defined enter "u". sinFind the value of sec 45" without using a calculator. If the answer is not defined enter "u". sec 45' =Find the value of csc 30 without using a calculator. If the answer is not defined enter "u". CSC 30' =Find the value of csc II without using a calculator. If the answer is not defined enter "u". CSC