Geometry Refer to the figure, where a unit circle is
Chapter 7, Problem 76(choose chapter or problem)
Geometry Refer to the figure, where a unit circle is drawn. The line segment DB is tangent to the circle.(a) Express the area of in terms of and . [Hint: Use the altitude from C to the base .] (b) Express the area of in terms of and . (c) The area of the sector OBC of the circle is , where is measured in radians.Use the results of parts(a) and (b) and the fact that to show thatArea OBC 6 Area of sector OBC 6 Area OBD 1 6usin u61cos u
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