If x-30- then 2tan x-1-tan 2x-

The correct option is A √(3) 2 ( 1/√(3) )/1 ( 1√(3) )^2=√(3) ...

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Property 7

If x=30∘, t...

Question

If $x = 30^{\circ},$ then $\frac{2 tan x}{1 - {tan}^{2} x} =$

\sqrt{3}

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1/3

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1 / \sqrt{3}

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30^{\circ}

t a n 2 x = \frac{2 t a n x}{1 - t a n^{2} x}

∠ x = 30^{0}

tan 2 x = \frac{2 tan x}{1 - {tan}^{2} x}

tan x - {tan}^{2} x = 1

{tan}^{4} x - 2 {tan}^{3} x - {tan}^{2} x + 2 tan x + 1

0^{0} \leq x \leq 90

1 + {tan}^{2} x - 2 tan x = 0

x

tan 2 x = \frac{2 tan x}{1 - {tan}^{2} x}

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