sin 4d - elevens 4d

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i θ cos θ + θ z n − z − n 2 i sin n θ z − z − i sin θ + − cos n + cos θ. harga usg 4d di jakarta from a basic application of De Moivre's theorem So, it follows immediately that sin)4 = (z − −1)4 4 + 1 z4 − 4( 2 + 1 z2) + 6 = 2 cos 4θ − 8 cos 2θ + 6 ( 2 i sin θ) 4 = ( z − z − 1) 4 z 4 + 1 z 4 − 4 ( z 2 + 1 z 2) + 6 2 cos 4 θ − 8

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