Find the product.(11 cot2y - tan2y)2

A. 121 cot4y  - 22 cot2y  +  tan4y
B. 121 cot4y  +  tan4y
C. 121 cot4y  - 22 -  tan4y
D. 121 cot4y  - 22 +  tan4y


Answer: D

Mathematics

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