PERGUNTA 7 O número complexo na forma algébrica begin mathsize 14px style z space equals space 2 space minus space 2 square root of 3 i end root e...

PERGUNTA 7 O número complexo na forma algébrica begin mathsize 14px style z space equals space 2 space minus space 2 square root of 3 i end root end style escrito na forma trigonométrica é igual a: a. Z = 2 begin mathsize 14px style open parentheses cos straight pi over 4 space plus space i. s e n open parentheses straight pi over 4 close parentheses close parentheses end style b. Z = 4 begin mathsize 14px style open parentheses cos space fraction numerator 5 straight pi over denominator 3 end fraction space plus space i. s e n open parentheses fraction numerator 5 straight pi over denominator 3 end fraction close parentheses close parentheses end style c. Z = 2 begin mathsize 14px style open parentheses cos fraction numerator 5 straight pi over denominator 6 end fraction plus space i. s e n open parentheses fraction numerator 5 straight pi over denominator 6 end fraction close parentheses close parentheses end style d. begin mathsize 14px style z space equals space 1 half space open parentheses cos space fraction numerator 4 straight pi over denominator 3 end fraction space plus space i s e n fraction numerator 4 straight pi over denominator 3 end fraction close parentheses end style e. begin mathsize 14px style z space equals space 4 space open parentheses cos fraction numerator 5 straight pi over denominator 6 end fraction space plus space i s e n space fraction numerator 5 straight pi over denominator 6 end fraction close parentheses end style