3 years ago

Write the complex number in trigonometric form a+bi. 3(cos270+I sin 270)

1 answer:

4 0

Simply get the value of the angle and distribute away.

$\bf 3[cos(270^o)+i~sin(270^o)\implies 3[0+i( -1)]\implies 3-3i$

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anastassius [24]

Answer:

y = -16.9

Step-by-step explanation:

→Add 0.8y to both sides:

-0.8y + 5.49 = -19.86 - 2.3y

5.49 = -19.86 - 1.5y

→Add 19.86 to both sides:

25.35 = -1.5y

→Divide both sides by -1.5:

-16.9 = y

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Reika [66]

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disa [49]

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Reil [10]

Answer:

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alukav5142 [94]

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