3^(i)
Assuming i is the imaginary unit | Use i as instead

Input

3^i

Decimal approximation

0.454832422826609755027565143595042484088190169274569831511260211426192351... +
0.890577041667747059074927306565178095102900909730592319849759224363286344... i
(using the principal branch of the logarithm for complex exponentiation)

Alternate form

cos(log(3)) + i sin(log(3))