Adam and Kevin are standing 35 metres apart, on opposite sides of a flagpole. From Adam's position, the angle of elevation of the top of the flagpole is 36°. From Kevin's position, the angle of elevation is 50°. How high is the flagpole?
15.8m
200
p. 375 #2b
81°
200
p. 14 #7d
3 seconds
200
p. 43 #4c
m > 16/3
300
p. 369 #4a
x = 1
300
p. 385 #3a
See diagram
300
p. 383 #3
3.37km, 2.24km
300
p. 124 #3e (no calculator!)
1
300
p. 391 #5
x = 2.5 cm
400
Anya walks 2km due north, then turns and walks another 3km in the direction N35°W. Find her distance and bearing from her starting point.
4.78, N21.1°W (or a bearing of 338.9°)
400
p. 389 #3
4.07cm, 6.08cm
400
p. 385 #1a, BOTH possible answers JUST for angle B.
61°, 119°
400
p. 55 #5
17m x 46m
400
p. 20 #2h, AND give the equation for any horizontal and vertical asymptote(s) of g(x) and g^-1(x)
g^-1(x) = 5x/(x+2)
g(x) --> V.A. @ x = 5; H.A. @ y = -2
g^-1(x) --> V.A. @ x = -2; H.A. @ y = 5
500
A ship leaves port and sails 35km on a bearing of 047 degrees. The ship then turns and sails 15km on a bearing of 105 degrees. How far, and on what bearing, must the ship sail to return directly to port?