9021, 12:39 PM 4.10.4 Test (TST): Trigonometry Mathematics Ill Prescriptive Sem 2 Points Possible: 50 B 25 Apex Learning

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9021 12 39 Pm 4 10 4 Test Tst Trigonometry Mathematics Ill Prescriptive Sem 2 Points Possible 50 B 25 Apex Learning 1 (28.7 KiB) Viewed 68 times

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9021, 12:39 PM 4.10.4 Test (TST): Trigonometry Mathematics Ill Prescriptive Sem 2 Points Possible: 50 B 25 Apex Learning-Tex Answer the following questions using what you've learned from this unit. Write your answers in the space provided. Be sure to show all work. RIGHT TRIANGLES 1. Consider the right triangle ABC given below. с 25 Name: Date: b Test Part I: Use the 25° angle and the sine ratio to find the length of side b to two decimal places. (2 points) Part II: You can find the length of side a using cos 25°, tan 25", or the Pythagorean theorem. Find the length of side a to two decimal places using one of these methods. (2 points)
W221, 12:39 PM RADIANS AND ARC LENGTHS 2. Answer the following questions about radians and arc lengths. Part I: Explain how you would convert an angle measurement in degrees to radians. (2 points) Part II: Explain how you would convert an angle measurement in radians to degrees. (2 points) Part III: When calculating the length of an arc using the formula s = r 8, does measurement you use when measuring the central angle, 8: radians or degrees? Explain your answe (2 points) matter which unit of 3. The arc length 8 shown below is 15 feet. 5 15 feet Part I: State the equation that relates arc length to central angle. (2 points) hpaloourse.apexleaming.com/public/epop/4010004/2467163 size
Part II: Find the angle 8 in radians. (2 points) Part III: Convert your answer from Part Il to degrees and write it to the nearest hundredth of a degree. (2 points) TRIGONOMETIC RATIOS AND THE UNIT CIRCLE 4. Find the exact value of tan 5. No decimals are allowed, and no calculators are allowed. Show work. Part I: Sketch the angle. Identify the reference angle on your sketch. (2 points) your Part II: Identify the terminal point associated with the angle, then find the tangent of the angle. (3 points)