Solved

Evaluate the Following Expression cos2xcos2ysin2x+sin2y+sin2xsin2ycos2x+cos2y\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 11

Multiple Choice

Evaluate the following expression.? cos2xcos2ysin2x+sin2y+sin2xsin2ycos2x+cos2y\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 } ?


A) 1
B) 2
C) -2
D) 0
E) - 1

Correct Answer:

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