Posted by Anonymous on Wednesday, February 11, 2009 at 6:58pm.
tan^2x=tanx+2

11th grade  drwls, Wednesday, February 11, 2009 at 7:39pm
Note that the equation can be rearranged and factored as follows:
tan^2x tanx 2 = 0
(tanx 2)(tanx +1) = 0
tan x = 2 or 1
There are four angles between 0 and 360 degrees that are solutions. One of them is 135 degrees. Another is 63.435 degrees. See if you can find the others. 
11th grade  Angela, Tuesday, April 7, 2009 at 9:03pm
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