N nyswthun New member Nov 11, 2010 #1 Find the exact value of the given trig. function. 1. Cos 13pi/4 2. sec (-13pi/4) PLEASE HELP ME WITH BOTH & SHOW HOW YOU GOT THE ANSWERS THNXS
Find the exact value of the given trig. function. 1. Cos 13pi/4 2. sec (-13pi/4) PLEASE HELP ME WITH BOTH & SHOW HOW YOU GOT THE ANSWERS THNXS
