单词 | inverse of a complex number |
释义 | inverse of a complex number ![]() P and its inverse Q When z is written in polar form, so that z = reiθ = r(cos θ + i sin θ), where r ≠ 0, the inverse of z is (1/r)e−iθ = (1/r)(cos θ−i sin θ). If z is represented by P in the complex plane, then z−1 is represented by Q, where ∠xOQ = −∠xOP and |OP|×|OQ| = 1. |
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