Question 1036837
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Find the rectangular coordinates with the given polar coordinates.
(2, pi/4)
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<pre>
(x,y) = ({{{2*cos(pi/4)}}}, {{{2*sin(pi/4)}}}) = ({{{2*(sqrt(2)/2)}}}, {{{2*(sqrt(2)/2)}}}) = ({{{sqrt(2)}}}, {{{sqrt(2)}}}).


Or x = {{{sqrt(2)}}},  y = {{{sqrt(2)}}}.
</pre>