The figure on the following page shows a unit circle, which will be used to illustrate...
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The figure on the following page shows a unit circle, which will be used to illustrate a number of the subtasks. (A) For the angle a, sin(a)= -13/20 and - < < -1/2-π. Mark a in a hot circle. (Use a ruler for the ray. Note that it is the curved arrow that represents the angle.) (B) Measure the angle a using a protractor. Enter the value in degrees. Convert it to radians and enter this value as well. Also check that the angle is indeed within the range given in (a) task. (C) Calculate cos(a) and tan(a). Calculate accurately. (D) Approximate the first value you calculated in (c) to decimal form (miniature calculators may be used), and check in the unit circle that it seems reasonable. Mark in the figure how you measure. (E) Approximate the tangent value from (c) in decimal form, and check in the unit circle that it seems reasonable. Mark in the figure how you measure. Note! To obtain the decimal approximations, you must use the calculator's button pair for the four arithmetic methods and square root. The calculator's trigonometric functions may not be used! -0.8 0.6 4 용 04 06 용 08 Ho The figure on the following page shows a unit circle, which will be used to illustrate a number of the subtasks. (A) For the angle a, sin(a)= -13/20 and - < < -1/2-π. Mark a in a hot circle. (Use a ruler for the ray. Note that it is the curved arrow that represents the angle.) (B) Measure the angle a using a protractor. Enter the value in degrees. Convert it to radians and enter this value as well. Also check that the angle is indeed within the range given in (a) task. (C) Calculate cos(a) and tan(a). Calculate accurately. (D) Approximate the first value you calculated in (c) to decimal form (miniature calculators may be used), and check in the unit circle that it seems reasonable. Mark in the figure how you measure. (E) Approximate the tangent value from (c) in decimal form, and check in the unit circle that it seems reasonable. Mark in the figure how you measure. Note! To obtain the decimal approximations, you must use the calculator's button pair for the four arithmetic methods and square root. The calculator's trigonometric functions may not be used! -0.8 0.6 4 용 04 06 용 08 Ho
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Related Book For
Fundamentals Of Electric Circuits
ISBN: 9780073301150
3rd Edition
Authors: Matthew Sadiku, Charles Alexander
Posted Date:
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