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1.
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Find the reference angle ,
and select and in standard
position.
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2.
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Use a calculator to evaluate the trigonometric
function. Round your answer to four decimal places. (Be sure the calculator is set in the correct
angle mode.)
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3.
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Use a calculator to evaluate the trigonometric
function. Round your answer to four decimal places. (Be sure the calculator is set in the correct
angle mode.)
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4.
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Use a calculator to evaluate the trigonometric
function. Round your answer to four decimal places. (Be sure the calculator is set in the correct
angle mode.)
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5.
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Find the indicated trigonometric value in the
specified quadrant.
Function |
Quadrant | Trignometric
value | | II | | | | |
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6.
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A company that produces snowboards, which are
seasonal products, forecasts monthly sales over the next 2 years to be , where S
is measured in thousands of units and t is the time in months, with
representing January 2010. Predict sales for following month. Round your answer to three
decimal places.
February 2011
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7.
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A company that produces snowboards, which are
seasonal products, forecasts monthly sales over the next 2 years to be , where S
is measured in thousands of units and t is the time in months, with
representing January 2010. Predict sales for following month. Round your answer to three
decimal places.
June 2010
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8.
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Find the indicated trigonometric value in the
specified quadrant.
Function |
Quadrant | Trignometric
value | |
III | | | | |
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9.
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The displacement from equilibrium of an oscillating
weight suspended by a spring is given by , where
is the displacement (in centimeters) and is the time (in seconds). Find the
displacement when . Round your answer to two decimal
places.
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10.
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Determine the exact value of .
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