Unit 7: Lesson 5 Inverse Trigonometric Functions Apply
Lesson 7-5: Apply
apply
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 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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