Rewrite the following complex numbers in its polar form rcis

Last updated: 7/24/2022

Rewrite the following complex numbers in its polar form rcis (θ), where 0 ≤ θ < 2π. Give exact answers only. a. 1/8 r = θ = b. 3i r = θ = c. 9 - 9i r = θ = d. 2 + 3i r = θ =