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For ninZ^(+), (1+sintheta+icostheta)^(...

For `ninZ^(+)`,
`(1+sintheta+icostheta)^(n)+(1+sintheta-icostheta)^(n)=`

A

`2^(n+1)*cos^(n)(pi/4-theta/2)cos((npi)/4-theta/2)`

B

`2^(n+1)*cos^(n)(pi/4-theta/2)sin((npi)/4-theta/2)`

C

`2^(n+1)*cos^(n)(pi/4-theta/2)cos((npi)/4-(ntheta)/2)`

D

`2^(n+1)*cos^(n)(pi/4-theta/2)sin((npi)/4-(ntheta)/2)`

Text Solution

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The correct Answer is:
C
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