Question 937769
set up a right triangle:
a = 3
b = 18
h = sqrt( aa + bb )
h = sqrt( 3*3 + 18*18 )
h = 18.248287591
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use law of sines:
sinA/a = sinH/h
sinA/3 = sin(90)/18.248287591
sinA = 3*sin(90)/18.248287591
A = asin( 3*sin(90)/18.248287591 )
A = 8.45149853213
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answer:
angle of the path of the sailboat = 8.45 degrees south of east
the sailboat’s speed = 18.25 mph
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