Question

Q3: Write down the formula of De-Moiver's Theorem.
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Answer 1

Answer:

For any complex number x and any integer n, ( r ( cos ⁡ θ + i sin ⁡ θ ) ) n = r n ( cos ⁡ ( n θ ) + i sin ⁡ ( n θ ) ) .

Step-by-step explanation:

answer by ❥ A᭄vneet࿐

Answer 2

Answer:

DeMoivre's Theorem

1 . Let z=r(cos(θ)+isin(θ)) be a complex number and n any integer. Then.

2 . zn=(rn)(cos(nθ)+isin(nθ))

3 . Let n be a positive integer. The nth roots of the complex number r[cos(θ)+isin(θ)] are given by.

4 . for k=0,1,2,...,(n−1).