BelleF218054 BelleF218054

29-10-2022
Mathematics

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Express 21 = 10(cos(270°) + i sin(270)] in rectangular form.Express your answer in exact terms.mm

Express 21 10cos270 i sin270 in rectangular formExpress your answer in exact termsmm class=

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DaleyssaF557301 DaleyssaF557301

29-10-2022

we have the expression

z1=10[cos(270)+isin(270)

see the attached figure to better understand the problem

we have that

cos(270)=0

sin(270)=-1

so

substitute

z1=10[0+i(-1)]

Z1=10[0-i]

z1=0-10i

therefore

rectangular form (0,-10i)

Ver imagen DaleyssaF557301

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