If sin x = 1/2 and sin y = 2/3, then what is the value of [(6 cos2 x – McqOptions

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1.	If sin x = 1/2 and sin y = 2/3, then what is the value of [(6 cos2 x - 4 cos4 x)/(18 cos2 y - 27 cos4 y)]?
A.	27/20
B.	15/14
C.	25/21
D.	17/14
Answer» B. 15/14

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