How do you convert $(2,2)$ into polar forms?

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How do you convert $(2,2)$ into polar forms?

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Answer 1 · 2016-03-18T14:51:35

$(2sqrt2,pi/4)$

Explanation:

$x=rcostheta=>2=rcostheta$
$y=rsintheta=>2=rsintheta$
combining these two
$tantheta=2/2=1=>theta =arctan1=pi/4$
$r=sqrt(x^2+y^2)=sqrt(2^2+2^2)=2sqrt2$
hence polar coordinate
$(2sqrt2,pi/4)$

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How do you convert $(2,2)$ into polar forms?

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