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Mathematics, 19.10.2019 02:30 HannaTheGurls

Explain your answer and i'll mark the brainliest!
convert the polar representation of this complex number into its rectangular form:
z = 7(cos π/2 + i sin π/2)

a. (-7, 0)

b. (0, -7)

c. (7√ 3, 0)

d. (0, 7)

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