If 0 lt x lt pi, then (sin 8x + 7 sin ...

If `0 lt x lt pi,` then
`(sin 8x + 7 sin 6x + 18 sin 4x + 12 sin 2x)/( sin 7x + 6sin 5x + 12 sin 3x)` equal to a)`2 sin x` b)`sin x` c)`sin 2x ` d)` 2 cos x `

A

`2 sin x`

B

`sin x`

C

`sin 2x `

D

` 2 cos x `

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The correct Answer is:

D

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