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Can anyone help me with math sine law questions

In travelling to Jasper from Edmonton, you notice a mountain directly in front of you.
The angle of elevation to the peak is 4.1 degree. When you are 21 km closer to the mountain, the angle of elevation is 8.7 degree. Determine the approx. height of the mountain.

the asnwer is 2.8km

i dont know how to do with sine law. this question is for sine law. thanks basil

March 2, 2014

7 Comments • Newest first

Brii

o3o.. I can do this if you still need help on it

Edit o-o : http://imgur.com/HP2lW89

Reply March 2, 2014 - edited
Althazir

Drop me a PM if you need a hand. I know how to do this problem.

Reply March 2, 2014 - edited
GhostTheRazer

@iPhone5: No problem, I had done this before but it was two years ago so I forgot Best advice to ask a parent or teacher if possible. Last resort google. but NOT this site.
Type in Sine law on google first page.

Reply March 2, 2014 - edited
iPhone5

[quote=GhostTheRazer]The first step is to put this forum in the right section[/quote]

sorry i quickly did it. my bad. tho, can anyone help me

Reply March 2, 2014 - edited
alanliuis

I did this thing last week.
but it's hard to explain it here so use google

Reply March 2, 2014 - edited
GhostTheRazer

The first step is to put this forum in the right section

Reply March 2, 2014 - edited
nc4228

Idk what this has to do with maple.

Reply March 2, 2014 - edited