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January 25, 2009

10th grade Trignometry homework help please?

Lighthouses
t2wksfrm20 asked:


Ok so i'm having a lot of trouble with this problem. Please help or give hints if you can.

A boat is sailing due east parallel to the shoreline at a speed of 10 mph. At a given time, the bearing to the lighthouse is S70 degrees E, and 15 minutes later the bearing is S 63 degrees E. The lighthouse is located at the shoreline. What is the distance from the boat to the shoreline?

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Comments on 10th grade Trignometry homework help please? »

January 27, 2009

Janine T. @ 10:50 pm

My explanation is sailing parallel then the be csin asin is way too messy ill draw picture for you in class lol.
My explanation is 27 2720 is 90 yes so c0454 250122 930 now working with the boat is 27 2720 is so c0454 250122 930 now working with another triangle you need to.

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