Mayiie V.

asked • 03/11/16

solve the equation Tan2x-3=0

solve the equation Tan2x-3=0

1 Expert Answer


Gregg O.

On the interval [0,2π), there are actually four possibilities.  Arctan only returns angles between -pi/2 and pi/2, so there's a missing answer for √3 (located 180 degrees away in quadrant III).  And since tan x = -√3 is also another possibility, two more answers are missing.


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