Check to see if the curves intersect at the origin

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Unformatted text preview: ond triangle predicted in the theorem. To prove the last case in the theorem, we assume a ≥ c. Then α ≥ γ , which forces γ to be an acute angle. Hence, we get only one triangle in this case, completing the proof. c a a h c α γ0 γ0 h < a < c, two triangles a h α γ a ≥ c, one triangle One last comment before we use the Law of Sines to solve an application problem. In the AngleSide-Side case, if you are given an obtuse angle to begin with then it is impossible to have the two triangle case. Think about this before reading further. Example 11.2.3. Sasquatch Island lies off the coast of Ippizuti Lake. Two sightings, taken 5 miles apart, are made to the island. The angle between the shore and the island at the first observation point is 30◦ and at the second point the angle is 45◦ . Assuming a straight coastline, find the distance from the second observation point to the island. What point on the shore is closest to the island? How far is the island from this point? So...
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This note was uploaded on 05/03/2013 for the course MATH Algebra taught by Professor Wong during the Fall '13 term at Chicago Academy High School.

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