Asked by Aki
A motor boat moves in the direction N32degreeW for 3hrs. at 18miles per hour. How far north and how far west does it travel?
Answers
Answered by
Reiny
Did you make a sketch?
I have a right-angled triangle with hypotenuse of 54 and a base angle of 90-32 or 58°
sin 58 = y/54
y = 54sin58° = ... (the north distance)
cos58 = x/54
x = 54cos58 = .... (the west distance)
I have a right-angled triangle with hypotenuse of 54 and a base angle of 90-32 or 58°
sin 58 = y/54
y = 54sin58° = ... (the north distance)
cos58 = x/54
x = 54cos58 = .... (the west distance)
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