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Chapter 6: Q. 44 (page 381)
Find the exact value of each expression. Do not use a calculator.
The exact value of the given expression is .
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Write the equation of a sine function that has the given characteristics.
Amplitude:
Period:
An angle is in ________ _________ if its vertex is at the origin of a rectangular coordinate system and its initial side coincides with the positive x-axis.
The Cable Cars of San Francisco At the Cable Car Museum you can see the four cable lines that are used to pull cable cars up and down the hills of San Francisco. Each cable travels at a speed of 9.55 miles per hour, caused by a rotating wheel whose diameter is 8.5 feet. How fast is the wheel rotating? Express your answer in revolutions per minute.
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)?
Write the equation of a sine function that has the given characteristics.
Amplitude:
Period:
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