Find the product.(11 cos2y - sec2y)2

A. 121 cos4y  - 22 +  sec4y
B. 121 cos4y  +  sec4y
C. 121 cos4y  - 22 cos2y  +  sec4y
D. 121 cos4y  - 22 -  sec4y


Answer: A

Mathematics

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