Exam 1: Trigonometry

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Use a graphing utility to select the graph of the function.Include two full periods. ​ Use a graphing utility to select the graph of the function.Include two full periods. ​   ​ ​

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Use the value of the trigonometric function to find Use the value of the trigonometric function to find   . ​   ​ . ​ Use the value of the trigonometric function to find   . ​   ​ ​

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Find the point Find the point   on the unit circle that corresponds to the real number   .Use your results to evaluate   . on the unit circle that corresponds to the real number Find the point   on the unit circle that corresponds to the real number   .Use your results to evaluate   . .Use your results to evaluate Find the point   on the unit circle that corresponds to the real number   .Use your results to evaluate   . .

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Find the area of the sector of the circle with radius 2 centimeters and central angle Find the area of the sector of the circle with radius 2 centimeters and central angle   . .

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Select the graph of the function.(Include two full periods.) ​ Select the graph of the function.(Include two full periods.) ​   ​ ​

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Use a calculator to evaluate Use a calculator to evaluate   .Round your answer to two decimal places. .Round your answer to two decimal places.

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Evaluate each function.Round your answers to four decimal places. ​ Csc3 and Evaluate each function.Round your answers to four decimal places. ​ Csc3 and   ​ ​

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A guy wire runs from the ground to a cell tower.The wire is attached to the cell tower A guy wire runs from the ground to a cell tower.The wire is attached to the cell tower   feet above the ground.The angle formed between the wire and the ground is 43° (see figure).How long is the guy wire. ​ ​   ​ feet above the ground.The angle formed between the wire and the ground is 43° (see figure).How long is the guy wire. ​ ​ A guy wire runs from the ground to a cell tower.The wire is attached to the cell tower   feet above the ground.The angle formed between the wire and the ground is 43° (see figure).How long is the guy wire. ​ ​   ​ ​

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Find (if possible) the supplement of the following angle. ​ Find (if possible) the supplement of the following angle. ​   ​ ​

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Determine whether the function below is even, odd, or neither. ​ Determine whether the function below is even, odd, or neither. ​   ​ ​

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Describe the behavior of the function below as x approaches zero. ​ Describe the behavior of the function below as x approaches zero. ​   ​ ​

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A cellular telephone tower that is 150 feet tall is placed on top of a mountain that is 1200 feet above sea level.What is the angle of depression from the top of the tower to a cell phone user who is 6 horizontal miles away and 400 feet above sea level? Round your answer to two decimal places. ​

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Find a and d for the function f(x) = a sin x + d such that the graph of f(x) matches the graph below. Find a and d for the function f(x) = a sin x + d such that the graph of f(x) matches the graph below.

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Find the quadrant in which the given angle lies. ​ -13° ​

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Determine the quadrant in which an angle, θ, lies if θ = 5.10 radians.

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The projected monthly sales (in thousands of units) of lawn mowers (a seasonal product) are modeled by ​ The projected monthly sales (in thousands of units) of lawn mowers (a seasonal product) are modeled by ​   ​ Where t is the time (in months), with t = 1 corresponding to January.Select the graph of the sales function over 1 year. ​ ​ Where t is the time (in months), with t = 1 corresponding to January.Select the graph of the sales function over 1 year. ​

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For the simple harmonic motion described by the trigonometric function, find the frequency per second. ​ For the simple harmonic motion described by the trigonometric function, find the frequency per second. ​   ​ ​

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Find the length of the arc on a circle of radius r intercepted by a central angle θ.Round to two decimal places. ​ Radius r Central Angle θ 15 inches ​123° ​

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Find the exact value of Find the exact value of   . .

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Convert angle measure to decimal degree form.Round your answer to three decimal places. ​ 81° 19' 28'' ​

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