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PRE-COLLEGE MATH Name_________________________ Review for Test 4 Period____ Date_______________ Use a calculator to find the following trig values. Round to three decimal places when necessary. (Make sure the calculator is in the correct mode for each problem.) 1. sin 64o = ________ 2. cos 82o = ________ 3. tan 39o = ________ 4. csc 54o = ________ 5. sec 68o = ________ 6. cot 38o = ________ 7. sin 30o = ________ 8. cot 10o = ________ 9. cos 165o = ________ 10. tan 45o = ________ 11. cot 148o = ________ 12. sec 252o= ________ Find the measure of the angle that has the given trig value. Give the answer in DEGREES. Round to three decimal places when necessary. 13. cot x = 3 x = ________ 16. sin x = 4 9 x = ________ 14. csc x = 2 15. cos x = 0.707 x = ________ 17. tan x = x = ________ 1 5 18. sec x = 6 x = ________ x = ________ Find each measurement indicated. Round answers to the nearest tenth. 20. 19. 21. 22. Solve the triangle. Round answers to the nearest tenth. 23. mA 88, b 32, c 41 a = ______ B = ______ C = ______ Find the area of the triangle. Round answers to the nearest tenth. 24. A 62o , b 15, c 24 25. a 12, b 36, c 28 Draw a picture and solve the problem. Round all answers to the nearest hundredth. 26. Two airplanes starting from the same point fly for an hour, one traveling 280 mph and the other at 360 mph. If their courses diverge by 82 , how far apart are they at the end of the hour? 27. The longest side of a triangle is 75 yards long, and is opposite a 93o angle. The shortest side of the triangle is opposite a 24o angle. Find the length of the shortest side. 28. A triangle has two sides that measure 36 feet and 20 feet, and they form a 68o angle. Find the area of the triangle. Find the exact trigonometric values of the following special angles. No decimal answers. 29. sin 45o = ________ 30. cos 30o = _______ 31. tan 60o = ________ 32. sec 225o = ________ 33. cot 120o = ________ 34. csc 300o = ________