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Relations And Functions
Write the complex number in the polar form.
Let z = i -1 = -1 + i = r() ....(i) r cos = - 1 ...(ii) r sin = 1 ...(iii)Squaring and adding (ii) and (iii) we get r2 = 2 r =
∴ From (ii) and (iii).
Which is the reequired polar form.