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If cos2theta=sin4theta,where 2theta and ...

If `cos2theta=sin4theta`,where `2theta` and `4theta` are acute angles,then the value of `theta` is:

A

`15^(@)`

B

`30^(@)`

C

`45^(@)`

D

`60^(@)`

Text Solution

Verified by Experts

The correct Answer is:
A
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