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Chapter 6: Q. 16 (page 395)
In problems 11-26,use the fact that the trigonometric function are periodic to find the exact value of each expression. Do not use a calculator.
The exact value is
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Keeping Up with the Sun How fast would you have to travel on the surface of Earth at the equator to keep up with the Sun (that is, so that the Sun would appear to remain in
the same position in the sky)?
Convert each angle in degrees to radians. Express your answer as a multiple of .
The Montauk Point Lighthouse on Long Island has dual beams (two light sources opposite each other). Ships at sea observe a blinking light every five seconds. What rotation speed is required to do this?
In Problems , convert each angle in degrees to radians. Express your answer as a multiple of .
Find the amplitude, period, and phase shift of each function. Graph each function. Be sure to label key points. Show at least two periods.
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