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![If [ 1 + costheta+isintheta/sintheta+i ( 1 + costheta ) ]^4 = cos ntheta + isin ntheta ,then n =](https://d1hhj0t1vdqi7c.cloudfront.net/v1/NnZ4b2F5QzEtR3M=/sd/ "If [ 1 + costheta+isintheta/sintheta+i ( 1 + costheta ) ]^4 = cos ntheta + isin ntheta ,then n =")
If [ 1 + costheta+isintheta/sintheta+i ( 1 + costheta ) ]^4 = cos ntheta + isin ntheta ,then n =
SOLVED: Q5: Using the identities e+e-i cos z = e e-i sin z = 2i established from comparison of power series, show that (a) sin(x + iy) = sinx cosh y +
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