manajafi manajafi

06-01-2017
Mathematics

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Help pls! Complex numbers :sin(2+3i).......Function Values Compute ( in the form u + iv).?

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djsdoodle djsdoodle

06-01-2017

sin(a+bi) = sina·coshb + i·cosa·sinhb
sin(2+3i) = sin2·cosh3 + i·cos2·sinh3
so
u = sin2cosh3
v = cos2sinh3

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