Question

Evaluate...

Answer 1

\[\iota^7\]

Answer 2

@Compassionate , @RadEn , @TinkerbellGirl

Answer 3

@campbell_st , @Ashy98 , @mathmath333

Answer 4

Well if you are referring to the complex number identity of

\[i^2 = -1\]

then

\[i^7 = i^2 \times i^2 \times i^2 \times i\]

so just do the substitution

Answer 5

Thanks...