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(sin 3 theta)/(sin theta)-(cos 3 theta)/...

`(sin 3 theta)/(sin theta)-(cos 3 theta)/(cos theta)=` A)` sin 2 theta`B)` cos 4 theta`C)1D)2

A

` sin 2 theta`

B

`cos 4 theta`

C

1

D

2

Text Solution

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The correct Answer is:
D
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