SOLUTION: If tan x = 2.4, what is cos x

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Question 788340: If tan x = 2.4, what is cos x
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If tan x = 2.4, what is cos x
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sec^2 = tan^2 + 1 = 6.76
sec = 2.6
cos = 1/(2.6)
or -1/(2.6), the quadrant wasn't given.