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12. y=1/2 csc(x)- ?/3 period: _______ range: _______ 13. If 3950 miles is the approximate radius of Earth, find the distance along the surface of Earth from the equator to the North Pole. Round to to the nearest mile. 14. Find the exact value of cos ? for an angle ? in standard position whose.
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11. cos(19?/2)= a. -1 b. 1 c. 0 d. √3/2 12 tan (3?/2)= a.-1 b.1 c.0 d. undefined 13. Two trains leave the same train station at exactly the same moment. One train travels northeast at 50 mph. The other train travels due west at 40 mph. How far apart are the trains after 2 hours? a. 166.5 miles b. 71.3 miles.
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Simplify each expression. 1. log(100) 2.eln(2) 3. log 3(1/81) Rewrite each expression as a single logarithm. 4. log 3(x) log3(y) + log3 (z- 1) 5. 1/2 log(49) 3 log(y) Find the exact solution to each equation. 6. 2 log2 (x) - log2(2) = log2(x + 4) 7. 43x = 83x+1 Find an approximate solution (to 4 decimal places).
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12. y=tan(1/2x) period: _______ range: _______ 13. If 3950 miles is the approximate radius of Earth, find the distance along the surface of Earth from the equator to the North Pole. Round to to the nearest mile. 14. Find the exact value of cos ? for an angle ? in standard position whose terminal side contains.
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Simplify each expression. 1. log2 (8) 2. log (1/10) 3. eln(5) Write each expression as a single logarithm. 4. log2(3x) + log2(x) - log2(y) 5. 1/3 log3(8) - 2 log 3(x) Find the exact solution to each equation. 6. 25x+1 = 1252x-2 7. 3 log(x) = log(x) 8. log 3(x - 2) = 1 - log3(x) Find an approximate.
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1. Two-thirds of a clockwise revolution is: a.-120 b. 2/3? c. 240 d. -240 2. Write as a single trigonometric function: 2cos x. sin 3x +2sin x. cos3x. a. 2sin 2x b.sin 2x c. 4(sin 2x)4 d.4 sin4 x.cos4x 3. Convert 150° to radian measure a. 2?/3 b. 5?/6 c. -7?/6 d. 2.62 4. Use identities to simplify: tan ? sin ?+ cos ? a. tan.
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12. y=tan(x-?/4) period: _______ range: _______ 13. Find the exact value of the arc length intercepted by a central angle of 205° in a circle with a radius of 3 centimeters 14. Find the exact value of cos ? for an angle ? in standard position whose terminal side contains the point (-3,7). 15. Matt, a six-footer,.
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1. Two-thirds of a counter clock wise revolution is: a.-120 b. 2/3? c. 240 d. -240 2. Write as a single trigonometric function: 4cos x. sin 3x +4sin x. cos3x. a. 2sin 2x b.sin 2x c. 4(sin 2x)4 d.4 sin4 x.cos4x 3. Convert 210° to radian measure a. 2?/3 b. -5?/6 c. 7?/6 d. 3.67 4. Use identities to simplify: cot ? cos ?+ sin.
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11. cos(17?/2)= a. -1 b. 1 c. 0 d. √3/2 12 tan (3?)= a.-1 b.1 c.0 d. undefined 13.The bearing of an airplane is 315° with an air speed of 500 mph. If the wind is blowing at a bearing of 60° at 25 mph, find the bearing of the actual course of the plane. a. 321.5° b. 317.8° c. 15° d. 255° 14..
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