+0  
 
0
748
1
avatar
how do you do secant on the calculator?
 Feb 28, 2012
 #1
avatar
0
sec=1/cos
cos45(degrees)=1/sqrt of 2
sec45(degrees)=1/cos45(degrees)=1/ 1/sqrt of 2=sqrt of 2
so for calc purposes, find sec72(degrees)
you would enter 1 divided by cos72(degrees) to find your answer
 Feb 29, 2012

5 Online Users

avatar