DeepPolar form

Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §9.4 Complex Numbers, #32 · Complex Numbers · Polar form

The polar form of … times … is ____

The polar form of $r e^{i θ}$ times $R e^{i ϕ}$ is ____. The rectangular form is ____. Circle the terms that give $R cos (θ + ϕ)$ .

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §9.4 Complex Numbers, #32

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