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What is the value of theta (0^(@)lttheta...

What is the value of `theta` `(0^(@)ltthetale90^(@))`,
if
`2cos^(2)theta=1/2`  ?

A

`30^(@)`

B

`45^(@)`

C

`60^(@)`

D

`75^(@)`

Text Solution

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The correct Answer is:
C
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