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Mathematics, 22.02.2021 19:30 Taiyou

Given w= sqrt 2(cos( pi/4) + i sin (pi/4)) and z = 2(cos (pi/2 ) + i sin(pi/2)),

what is w- z expressed in polar form?

A. sqrt2 (cos(pi/4) + i sin(pi/4))

B. sqrt2 (cos(3pi/4) + i sin(3pi/4))

C. sqrt2 (cos(5pi/4) + i sin(5pi/4))

D. sqrt2 (cos(7pi/4) i sin(7pi/4))

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Given w= sqrt 2(cos( pi/4) + i sin (pi/4)) and z = 2(cos (pi/2 ) + i sin(pi/2)),

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