Asked by Kelly
From post C, An airplane and a helicopter travel to different islands.The plane travels.415 km N 60degrees45minutes E to island A. and the helicopter travels to island B at S 19degrees5minutes E for 120 km. what is the distance between tthe two island
Answers
Answered by
Steve
Draw a diagram. You will see that the distance d is given using the law of cosines:
d^2 = 415^2 + 120^2 - 2*415*120*cos 100°10'
d^2 = 415^2 + 120^2 - 2*415*120*cos 100°10'
Answered by
Sam
explain sir :(
Answered by
silliy
sir explain sir?
Answered by
silliy
why is the angle 100 degrees 10 minutes? wht is the equation like that?
Answered by
sam
sir steve ????
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