SOLUTION: If 12 tan x + 5 = 0,where 0<x<180. Find cos x.

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Question 1062465: If 12 tan x + 5 = 0,where 0
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Hi there,
12tanx + 5 = 0
12tanx = -5
tanx = -5/12
tanx = -0.417
x = 157.38 degrees
cos 157.38 = -0.923
cosx = -0.923 (3 decimal places)
Hope this helps :-)