What is the product of z1 and z2 if z1 = 2(cos70° + i sin70°) and z2 = 4(cos200° + i sin200°)?a.6(cos270° + i sin270°)c.8(cos70° + i sin70°)b.8(cos14,000° + i sin14,000°)d.8(cos270° + i sin270°)

Question

Revolt · Accepted Answer

D

Double-Angle and Half-Angle Identities — Unit test

What is the product of z1 and z2 if z1 = 2(cos70° + i sin70°) and z2 = 4(cos200° + i sin200°)?a.6(cos270° + i sin270°)c.8(cos70° + i sin70°)b.8(cos14,000° + i sin14,000°)d.8(cos270° + i sin270°)

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