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If z = (1-cosalpha + isinalpha) then amp...

If `z = (1-cosalpha + isinalpha)` then `amp z = `

A

`frac{alpha}{2}`

B

`-frac{alpha}{2}`

C

`frac{pi}{2} + frac{alpha}{2}`

D

`frac{pi}{2}-frac{alpha}{2}`

Text Solution

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