SOLUTION: tan x -2 cos x tan x =0

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Question 742222: tan x -2 cos x tan x =0


Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
tan%28x%29-2cos%28x%29tan%28x%29=0%0D%0A%0D%0A%7B%7B%7Btan%28x%29%5B1-2cos%28x%29%5D=0
tan%28x%29=0 or 1-2cos%28x%29=0
tan%28x%29=0 when x=n+pi
1-+2+cos%28x%29=0
cos%28x%29=1%2F2 when x=pi/3+2 pi n or 5 pi/3+2 pi n
where n is any integer