Determine the value of the trigonometric expression.2tan⁡67.5∘1−tan⁡267.5∘\frac{2\$$tan67.5^{\circ}$$}{1-\$$tan^267$.5^{\circ}$$}

Double Angle Identities

6. Trigonometric Identities and More Equations / Double Angle Identities / Problema 5

Problema 5

Determine the value of the trigonometric expression.
$\frac{2 \tan {67.5}^{\circ}}{1 - \tan^{2} {67.5}^{\circ}}$

$0$

$the square root of 2$

$\frac{\sqrt{3}}{3}$

$negative 1$