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If theta is real then the modulus of 1/(...

If `theta` is real then the modulus of `1/(1+costheta+isintheta)` is

A

`1/2sec.theta/2`

B

`1/2cos.theta/2`

C

`sec.(theta)/(2)`

D

`cos.(theta)/(2)`

Text Solution

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The correct Answer is:
A
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