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If sin 2 theta = cos 3 theta and theta i...

If `sin 2 theta = cos 3 theta and theta` is an acute angle, then `sin theta` equals

A

`(sqrt5-1)/4`

B

`-((sqrt5-1)/4)`

C

`(sqrt5+1)/4`

D

`(-sqrt5+1)/4`

Text Solution

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The correct Answer is:
A
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