Thursday, July 14, 2011

Pre-Calculus Question!?

1.Let angle opposite 75 ft be x , sinx/75=sin38/95 , x=29 ,the remaining angle is 113 , using sine rule the third side is 142 , fence=142+95+75=312 . 2. Using cosine rule dist=211.38 miles

No comments:

Post a Comment