+0  
 
0
91
1
avatar

Given sin t= 1/5, sec t<0, find cos (t) and cot (t)

 Jul 10, 2020
 #1
avatar+27660 
+1

If sec < 0 then    cos < 0         (sec is 1/cos)

 

sin^2 + cos^2 = 1

cos^2 = 1-sin^2

          = 1 - 1/25 =24/25

cos t =   sqrt 24  / 5                                 cot = cos / sin    I think you can do that one ...

 Jul 10, 2020

37 Online Users