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What is the trigonometric form of $z=5+2i$? Round your answer to the nearest tenth of a degree.

A

$\sqrt { 29 } \left[ \cos { \left( { 21.8 }^{ ° } \right) } -i\sin { \left( { 21.8 }^{ ° } \right) } \right]$

B

$\sqrt { 29 } \left[ -\cos { \left( { 21.8 }^{ ° } \right) } +i\sin { \left( { 21.8 }^{ ° } \right) } \right]$

C

$\sqrt { 29 } \left[ \cos { \left( { 21.8 }^{ ° } \right) } +i\sin { \left( { 21.8 }^{ ° } \right) } \right]$

D

$\sqrt { 29 } \left[ -\cos { \left( { 21.8 }^{ ° } \right) } -i\sin { \left( { 21.8 }^{ ° } \right) } \right]$

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