The diagram of the unit
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Trigonometry (MindTap Course List)
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- The diagram of the unit circle shown in Figure 15 can be found on the Internet encyclopedia, Wikipedia. Line segment FE is tangent to the circle at A. Note that triangles FAO and OCA are similar to triangle OAE. Use the diagram to answer Problems 99 through 106. If is close to /2, determine whether the value of each trigonometric function is close to 0, close to 1, or becoming infinitely large. sin cos tan csc sec cotarrow_forwardThe diagram of the unit circle shown in Figure 15 can be found on the Internet encyclopedia, Wikipedia. Line segment FE is tangent to the circle at A. Note that triangles FAO and OCA are similar to triangle OAE. Use the diagram to answer Problems 99 through 106. Determine whether the value of each trigonometric function is greater when =/6 or =/3. sin cos tanarrow_forwardFigure 20 shows a walkway with a handrail. Angle is the angle between the walkway and the horizontal, while angle is the angle between the vertical posts of the handrail and the walkway. Use Figure 20 to work Problems 23 through 26. (Assume that the vertical posts arc perpendicular to the horizontal.) Figure 20 If we did not know that the vertical posts were perpendicular to the horizontal, could we answer Problem 23?arrow_forward
- Figure 8 shows two right triangles drawn at 900 to each other. For Problems 45 through 48, redraw Figure 8, label it as the problem indicates, and then solve the problem. Figure 8 If AC = 32. h = 19, and C = 41, find ABD .arrow_forwardUse the equilateral triangle shown in Figure 1.21 to find the values of tan60 and tan30.arrow_forward
- Trigonometry (MindTap Course List)TrigonometryISBN:9781305652224Author:Charles P. McKeague, Mark D. TurnerPublisher:Cengage LearningTrigonometry (MindTap Course List)TrigonometryISBN:9781337278461Author:Ron LarsonPublisher:Cengage Learning