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Let z= 2(cos(160)+ i sin(160)) and w=1(cos(40)+ i sin(40)). write zw in polar form where -180<degree<or...

Let z= 2(cos(160)+ i sin(160)) and w=1(cos(40)+ i sin(40)). write zw in polar form where -180<degree<or equal to 180

zw= ______(cos(_____)+ i sin(______))

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