Question on: WAEC Mathematics - 2007
The bearing of a point P from another point Q is 310o. If |PQ| = 200m, how far west of Q is P?
A
128.6m
B
153.2m
C
167.8m
D
187.9m
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Correct Option: B
cos 40 = \(\frac{x}{200}\)
x - 200 x cosx
= 200 x 0.7660
x = 153.2m
x - 200 x cosx
= 200 x 0.7660
x = 153.2m
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