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The value of 4(frac{cos75^@ +isin75^@)}/...

The value of `4(frac{cos75^@ +isin75^@)}/{0.4(cos30^@+isin30^@)}` is

A

`frac{sqrt(2)}{10}(1+i)`

B

`frac{sqrt(2)}{10}(1-i)`

C

`frac{10}{sqrt(2)(1-i)`

D

`frac{10}{sqrt(2)}(1+i)`

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