Cosine function for an angle, math homework help

Cosine function for an angle, math homework help

  1. OPEN ENDED Write an equation giving the value of the Cosine function for an angle measure 
    in its domain. Then, write your equation in the form of an inverse function.
  2. Writing in Math Use the information on page 826 (see attached) to explain how inverse trigonometric 
    functions are used in road design. Include a few sentences describing how to determine the 
    banking angle for a road and a description of what would have to be done to a road if the speed 
    limit were increased and the banking angle was not changed.

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