The rectangular coordinates of a point are given by \( (2, y) \), and its polar coordinates are ( \( \left.r, 30^{\circ}\right) \). Determine (a) the value of \( y \) and (b) the value of \( r \).
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The rectangular coordinates of a point are given by $(2, y),$ and its polar coordinates are $(r, 30°).$ Determine (a) the value of $y$ and (b) the value of $r.$
The rectangular coordinates of a point are given by $(2, y),$ and its polar coordinates are $\left(r, 30^{\circ}\right) .$ Determine $y$ and $r .$
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