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(cosalpha+isinalpha)^(5)/((sinbeta+icosb...

`(cosalpha+isinalpha)^(5)/((sinbeta+icosbeta)^(3))=`

A

`sin(5alpha+3beta)+icos(5alpha+3beta)`

B

`-sin(5alpha+3beta)+icos(5alpha+3beta)`

C

`sin(3alpha+5beta)+icos(3alpha+5beta)`

D

`-sin(3alpha+5beta)+icos(3alpha+5beta)`

Text Solution

Verified by Experts

The correct Answer is:
B
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