value of (cos30+isin30)^3 options are 0,1,-1,i
Answers
Answered by
0
Answer:
(cos30+sin30)^3
=-0.579
hope
Answered by
1
Answer:
i
Step-by-step explanation:
( cos30 + isin30) ³
= (√ 3/2 + i/2)³
= {(√3 + i)/2}³
= {(√3)³ + i³ + 3(√3)²i + 3(√3)i²} /2³
= ( 3√3 - i + 9i -3√3) / 8
= 8i/8
= i
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