Trigonometry (11th Edition)
Trigonometry (11th Edition)
11th Edition
ISBN: 9780134217437
Author: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher: PEARSON
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Question 1: A wind turbine has blades that turn at a rate of  15 revolutions per minute.  If each blade is 20 ft. long, what is the linear speed (in feet per second) at the tip of each blade?

 

Question 2: Find the exact value(s) of "s", in radians, that satisfies the equation cos^(2)s=(1)/(2) where s is in the interval [-2\pi,\pi )

If there is more than one solution, separate your answers using commas.

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