February 19, 2017

Homework Help: Trig

Posted by Victoria on Sunday, December 6, 2009 at 9:13pm.

An historic lighthouse is 200 yards from a bike path along the edge of a lake. A walk to the lighthouse is 400 yards long. Find the acute angle feta between the bike path and the walkway.

I found sin which was 1/2. The book says feta is 30 degrees. But how does the value of sin contribute to this and where does thirty degrees come from?

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