3 years ago

Write the complex number in the form a+bi . 8(cos30+isin30)

2 answers:

4 0

Sophie [7]3 years ago

3 0

Hello,

since sin 30°=1/2 and cos 30°=√3/2
then
8(cos 30+i sin 30°)=8*(√3/2+i/2)=4√3+4i

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