lf 2 cos 3theta = sqrt3 and 0^@ lt the...

lf `2 cos 3theta = sqrt3` and `0^@ lt theta lt 90^@` then the value of `theta` is

A

`10^@`

B

`20^@`

C

`30^@`

D

`15^@`

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The correct Answer is:

A

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