Write the given trigonometric function in terms of sec ⁡ x \sec x . tan ⁡ x \tan x

± sec ⁡ 2 x − 1 \pm\sqrt{\sec^2x-1}

± 1 − sec ⁡ 2 x \pm\sqrt{1-\sec^2x}

± sec ⁡ 2 x + 1 \pm\sqrt{\sec^2x+1}

± 2 sec ⁡ 2 x − 1 \pm\sqrt{2\sec^2x-1}

12. Trigonometric Identities

12. Trigonometric Identities / Introduction to Trigonometric Identities / Problem 2

Problem 2

Write the given trigonometric function in terms of $\sec x$ .
$\tan x$

$\pm \sqrt{\sec^{2} x - 1}$

$\pm \sqrt{1 - \sec^{2} x}$

$\pm \sqrt{\sec^{2} x + 1}$

$\pm \sqrt{2 \sec^{2} x - 1}$