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Solve 7 - 6sinx = 3 + 2sinx for 0≤θ≤180ο 120ο 180ο 135ο 150ο or 30ο √6 - √2 4 √6 + √2 4 Find the exact value of cos15ο. √6/4 √2 Find the magnitude of the horizontal and vertical components of a velocity of 23 mph at an angle of 16ο with the ground. horizontal: 191mph, vertical: 6mph horizontal: 6mph, vertical: 22mph horizontal: 22mph, vertical: 10mph horizontal: 22mph, vertical: 6mph A commercial passenger jet is flying with an airspeed of 135 knots on a bearing of N45οE. If a 32-knot wind is blowing at a bearing of S79οE, determine the velocity and direction of the jet relative to the ground. 120.1 knots, S55οE 129.2 knots, S35οE 155.2 knots, N55οE 155.2 knots, N35οE An airplane is traveling due east with a velocity of 563mph. The wind blows at 76mph at an angle of S43οE. What is the resultant speed and direction of the plane? 617.3mph, S84.8οE 617.3mph, S5.2οE 620mph, S9.5οE 620.3mph, S85.2οE How many triangles are there that satisfy the conditions a=13, b=6 and A =61ο? 0 2 not possible 1 Given a triangle with a=14, A=41ο, and B=34ο What is the length of c? 21.6 20.6 19.6 22.6 5.3 28.1 14.1 10.6 What is the length of a? Given a triangle with b=7, c=9 and A=36ο B 40ο 9 Solve ∆ABC A 60ο (round to the nearest degree or nearest tenth in length) C <A = a = b = ο B a=19, b=20, C=63ο Determine whether ∆ABC should be solved using Law of Sines of Law of Cosines. A C Law of Cosines Law of Sines B Solve...... A 19 (round to nearest degree or nearest tenth in length) 63ο 20 C <A = <B = c = ο ο B A=90ο, b=9, a=18 Determine whether ∆ABC should be solved using Law of Sines of Law of Cosines. A C Law of Cosines Law of Sines B A=90ο, b=9, a=18 Solve ∆ABC..... A C c=15.6, C=60ο, B=30ο c=15.6, B=60ο, C=30ο c=15.6, B=61ο , C=29ο c=15.6, C=61ο , B=29ο Find the area of the triangle with a=15ft, b=22ft and C=30ο. 142.9 82.2 165 285.8 sq ft sq ft sq ft sq ft Find the area of the triangle with a=10ft, b=4ft and c=12ft. 15.7 18.7 20.7 19.7 sq ft sq ft sq ft sq ft |