|z| = √(36² + 0²) = 6
cosФ = 0/6 = 0
sinФ = 6/6 = 1
Ф = π/2
z = 6(cos(π/2) + i*sin(π/2))
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|z| = √(36² + 0²) = 6
cosФ = 0/6 = 0
sinФ = 6/6 = 1
Ф = π/2
z = 6(cos(π/2) + i*sin(π/2))