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The range of y=(sin4x-sin2x)/(sin4x+sin2...

The range of `y=(sin4x-sin2x)/(sin4x+sin2x)` satisfies

A

`y in (-oo, (1)/(3))`

B

`y in ((1)/(3),1)`

C

`y in (1, 3)`

D

`y in (3, oo)`

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The correct Answer is:
A, D
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