SOLUTION: x = cos(1 + i) Solve for x.

SOLUTION: x = cos(1 + i) Solve for x.

Algebra.Com

Question 1104562: x = cos(1 + i)
Solve for x.
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
x = cos(1 + i)
:
Use the definition for the cosine of a complex number
:
x = (e^(-1+i)/2) + (e^(1-i)/2)
:
x is approximately 0.833730 - 0.988898i
:

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