​Find the Trigonometric Form of the Complex Number Shown Below $$- 3 + 4 i$$

​Find the trigonometric form of the complex number shown below.​ $$- 3 + 4 i$$ ​

A) ​ $\sqrt { 25 }$ (cos (arctan (- $$\frac { 1 } { 6 }$$ ) ) + i sin (arctan (- $\frac { 1 } { 6 }$ ) ) )
B) ​​ $\sqrt { 25 }$ (cos (arctan ( $\frac { 4 } { 5 }$ ) ) + i sin (arctan ( $\frac { 4 } { 5 }$ ) ) )
C) ​​ $\sqrt { 25 }$ (cos (arctan (- $\frac { 4 } { 3 }$ ) ) + i sin (arctan (- $\frac { 4 } { 3 }$ ) ) )
D) ​​ $\sqrt { 25 }$ (cos (arctan (- $\frac { 2 } { 3 }$ ) ) + i sin (arctan (- $\frac { 2 } { 3 }$ ) ) )
E) ​​ $\sqrt { 25 }$ (cos (arctan (4) ) + i sin (arctan (4) ) )

Correct Answer:

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