11th grade
posted by Anonymous on .
tan^2x=tanx+2

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. 
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