Mathematics

Problem

For the relation

x\sec y+y=2

, determine

\dfrac{dy}{dx}

in simplest form. a)

-\dfrac{\tan y}{1+x\sec y\tan y}

-\dfrac{\sec y}{1+x\tan y}

-\dfrac{\sec y}{1+x\sec y\tan y}

-\dfrac{\sec y}{1-x\sec y\tan y}