Show all work for full credit BERMAN XXXXXXXXXXName ____________________ Worksheet 9 – Due ___________________ Show all work and use appropriate units for full credit. 1. Solve each equation,...

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Show all work for full credit BERMAN Name ____________________ Worksheet 9 – Due ___________________ Show all work and use appropriate units for full credit. 1. Solve each equation, symbolically: a. 22cos sin 1x x  , all real x b. 4 cos(3?) + 3.5 = 0, first four where ? > 0 2. Solve each equation or inequality, graphically, over the indicated interval. Include a sketch that supports your conclusion a. 2sin sin 2 1x x  , 0 2x   b. 5cos 2x x  3. Solve each triangle, approximating all angle to one decimal place and sides to two decimal places. Refer to the diagram below a. 21.5 , 72.3 , 12.45b    c a b ? b. 33, 67, 45a b c   c. 62, 100, 32a b    d. 82.0, 147, 98.2a c    4. An airplane is sighted (simultaneously) between two observers 6 miles apart. The angles of elevation of the plane as seen by the two observers are 20.2 and 16.7 . Determine the height of the plane. c a b ? c a b ? c a b ? Show all work for full credit BERMAN Name ____________________ Worksheet 9 – Due ___________________ Show all work and use appropriate units for full credit. 1. Solve each equation, symbolically: a. 22cos sin 1x x  , all real x b. 4 cos(3?) + 3.5 = 0, first four where ? > 0 2. Solve each equation or inequality, graphically, over the indicated interval. Include a sketch that supports your conclusion a. 2sin sin 2 1x x  , 0 2x   b. 5cos 2x x  3. Solve each triangle, approximating all angle to one decimal place and sides to two decimal places. Refer to the diagram below a. 21.5 , 72.3 , 12.45b    c a b ? b. 33, 67, 45a b c   c. 62, 100, 32a b    d. 82.0, 147, 98.2a c    4. An airplane is sighted (simultaneously) between two observers 6 miles apart. The angles of elevation of the plane as seen by the two observers are 20.2 and 16.7 . Determine the height of the plane. c a b ? c a b ? c a b ?
Answered Same DayMar 31, 2021

Answer To: Show all work for full credit BERMAN XXXXXXXXXXName ____________________ Worksheet 9 – Due...

Rajeswari answered on Apr 01 2021
161 Votes
412020 assignment
Qno.1
a) using the identity cos^2 x +sin^2 x=1
Substitute u = sinx to get quadr
atic equation as
Solving general solution is
, for all integers n.
b) 4 cos(3?) + 3.5 = 0,
Cos 3x = -0.875
Qno.2
2sinx =sin2x+1
a)
The graph region is between blue and green line. The solutions are x intercepts=1.1 and 2.9 radians respectively
b)
5cosx-x>2
Graph is shown above.
Region is...
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