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2 June, 02:31

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

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Answers (2)
  1. 2 June, 04:14
    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
  2. 2 June, 04:22
    0
    8. cos (30) = a and 8sin30=b
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