Question
In Problems 43-54, write each expression in the standard form $a+b i$. $\left[3\left(\cos 80^{\circ}+i \sin 80^{\circ}\right)\right]^3$
Step 1
The expression can be rewritten using the polar form \(r(\cos \theta + i \sin \theta)\), where \(r = 3\) and \(\theta = 80^\circ\). Show more…
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Write each expression in the standard form $a+b i$ $$ \left[3\left(\cos 80^{\circ}+i \sin 80^{\circ}\right)\right]^{3} $$
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Write each expression in the standard form $a+b i$. $\left[3\left(\cos 80^{\circ}+i \sin 80^{\circ}\right)\right]^{3}$
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