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• lab{10.6.1a} For each of the following values of [math]\theta[/math], find the value of [math]r[/math] such that [math]r=4 \sin \theta[/math]:
  [[math]] \theta = 0, \frac\pi6, \frac\pi4, \frac\pi2, \frac{3\pi}4, \frac{5\pi}6, \pi . [[/math]]
• Plot the seven points with the polar coordinates [math](r,\theta)[/math] found in part \ref{ex10.6.1a}.
• Draw and identify the curve defined by the equation [math]r=4\sin\theta[/math] in polar coordinates.