SOLUTION: Let z = 4(cos 135� + i sin 135�) and w = 3(cos 45� + i sin 45�). Write the rectangular form of z/w.

SOLUTION: Let z = 4(cos 135� + i sin 135�) and w = 3(cos 45� + i sin 45�). Write the rectangular form of z/w.

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Question 1032626: Let z = 4(cos 135� + i sin 135�) and w = 3(cos 45� + i sin 45�). Write the rectangular form of z/w.

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Let z = 4(cos 135� + i sin 135�) and w = 3(cos 45� + i sin 45�). Write the rectangular form of z/w.
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z = 4cis(135), w = 3cis(45)
z/w = (4/3)cis(135-45)
z/w = (4/3)cos(90) + (4i/3)*sin(90)
= 4i/3
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