Write the Word or Phrase That Best Completes Each Statement $$\frac { \theta } { 2 } .$$

Write the word or phrase that best completes each statement or answers the question.
-The two equal sides of an isosceles triangle measure three feet. Let the angle between the sides measure θ. Find
the area A of the triangle as a function of . The answer may include more than one trigonometric function. $$\frac { \theta } { 2 } .$$