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Trigonometry

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Coordinate Conversion

TRIG-VX$XMK

Convert the polar coordinate $(5,\cfrac { \pi }{ 2 } )$ into rectangular form:

A

$( 1,3 ) $

B

$( 0,5 ) $

C

$( 0,3 ) $

D

$( 5,0 ) $

E

$( 2,4 ) $