tanΞΈ = 2/3, so
sinΞΈ = 2/β13
cosΞΈ = 3/β13
z = 5(cosΞΈ + i sinΞΈ)
Now just finish it off
There is an angle π in quadrant I such that tan π = 2/3. Convert the complex number z = 5 cis π from polar to rectangular form.
2 answers
The accepted answer for this is 15/sqrt13 + (10/sqrt13)i