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Chapter 6: Q. 50 (page 365)
Convert angle in radian to degree-
The required value is,
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Write the equation of a sine function that has the given characteristics.
Amplitude:
Period:
find the value of the remaining five trigonometric functions of
In the problem,denotes the length of the arc of a circle of radius subtended by the central angle . Find the missing quantity. Round answers to three decimal places.
meters, radian,
Approximating the Circumference of Earth Eratosthenes of Cyrene (276–195 bc) was a Greek scholar who lived and worked in Cyrene and Alexandria. One day while visiting in
Syene he noticed that the Sun’s rays shone directly down a well. On this date 1 year later, in Alexandria, which is 500 miles due north of Syene he measured the angle of the Sun to be about 6.2 degrees. See the figure. Use this information to approximate the radius and circumference of Earth.
The domain of the functionis _______.
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