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What are all the exact solutions of $- 3 {tan}^{2} x + 1 = 0$ $-3tan^2x+1=0$ ?

1 Answer

Vinícius Ferraz

Feb 22, 2017

$± pi/3 + pi ZZ$

Explanation:

$tan^2 x = 1/3$

$tan x = ±sqrt 3 / 3$

$x = ±60º + k * 180º, k in ZZ$

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