3 years ago

What type of number is 12i+360

Mathematics

1 answer:

QveST [7]3 years ago

3 0

Answer:

Complex number.

Step-by-step explanation:

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Step-by-step explanation:

Given

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(b) $z=6\cos (\theta )+i\sin (\theta )$

$Re(z)=6\cos \theta$

$Im(z)=\sin \theta$

$Re(z)=\sqrt{5}\cos (\theta )$

$Im(z)=\sqrt{10}\sin (\theta )$

(d) $z=5-2i+4\cos (\theta )+7i\sin (\theta )$

$z=5+4\cos \theta +i(7\sin \theta -2)$

$Re(z)=5+4\cos \theta$

$Im(z)=7\sin \theta -2$

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3 years ago

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Answer:

252 cm²

Step-by-step explanation:

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