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LekaFEV [45]
3 years ago
9

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

Mathematics
1 answer:
Darya [45]3 years ago
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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The answer is:  " 60° " .
__________________________________________________________
     " m∠A = 60° " .
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Explanation:
__________________________________________________________

Note:  All triangles, by definition, have 3 (three) sides and 3 (three angles).

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Since each of the 3 (three) angles is equal;  and the three angles are:  

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    m∠A  = 180° ÷ 3 = 60° .
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