Evaluate the Following Expression $$\frac { \cos 2 x - \cos 2 y } { \sin 2 x + \sin 2 y } + \frac { \sin 2 x - \sin 2 y } { \cos 2 x + \cos 2 y }$$

question 192

Multiple Choice

Evaluate the following expression.
$$\frac { \cos 2 x - \cos 2 y } { \sin 2 x + \sin 2 y } + \frac { \sin 2 x - \sin 2 y } { \cos 2 x + \cos 2 y }$$

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